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Missy estimated that the product of 4.5 and 11.91 is 5 x 12, or 60. Is her estimate an underestimate or an overestimate?
overestimate
O underestimate

Answers

Answer 1

Answer:

overestimate

Step-by-step explanation:

The actual numbers are 4.5 and 11.91.

She used 5, which is greater than 4.5 and 12 which is grater than 11.91, so her estimate is an overestimate.

Answer: overestimate


Related Questions

if 1 inch represents 85 miles on map then how many inches will represent 800 miles

Answers

9.41 inches to the nearest hundredth


By proportion it is 800 / 85
= 9.41 inches.

Answer:

9.41 inches to the nearest hundredth.

Step-by-step explanation:

By proportion, it is 800 / 85

= 9.41 inches.

Lisa finished her history assignment in 7/8 hours. Then she completed her English assignment in 1/4 hours. How much more time did Lisa spend on her history assignment?

Answers

Answer:

5/8 hours

Step-by-step explanation:

7/8-1/4= 7/8-2/8= 5/8 hours

Brian pays £475.29 a year on his car insurance.
The insurance company reduces the price by 2.1%.
How much does the insurance cost now?
Give your answer rounded to 2 DP.

Answers

Answer:

465.31

Step-by-step explanation:

475.29 - Percentage decrease =

475.29 - (2.1% × 475.29) =

475.29 - 2.1% × 475.29 =

(1 - 2.1%) × 475.29 =

(100% - 2.1%) × 475.29 =

97.9% × 475.29 =

97.9 ÷ 100 × 475.29 =

97.9 × 475.29 ÷ 100 =

46,530.891 ÷ 100 =

465.30891 ≈

465.31

ten minus negative 3/4

Answers

What is 10 minus negative 3/4 it’s 10 3/4 in fraction form if that what you are looking for

I will give brainliest to the correct answer. Please answer.

Answers

Answer:

a. 16/8

b. 8/16

c. 16/24

d. 8/24

hope this helps

Answer:

See below.

Step-by-step explanation:

Of 24, there are 16 small cars and 8 large cars.

Small to large: 16:8, or 2:1

Large to small: 8:16, or 1:2

Small to total: 16:24, or 2:3

Large to total: 8:24, or 1:3

-hope it helps

how do i do this? can someone help me please

Answers

Answer:

i dont know  if this is right but the first one is 32.01      

Step-by-step explanation:

b. Write the polynomial 3x2 + 4x -10+6x in standard form and also write its degree.​

Answers

Answer:

Standard form → [tex]3x^{2} +10x-10[/tex]

Degree → 2

Step-by-step explanation:

GIven polynomial is

⇒[tex]3x^{2} +4x-10+6x[/tex]

Simplifying,

⇒[tex]3x^{2} +4x-10+6x\\\\3x^{2} +4x+6x-10\\\\3x^{2} +10x-10[/tex]

The standard form of the given polynomial is:

→[tex]3x^{2} +10x-10[/tex]

And the degree of this polynomial is 2 because the highest power of the terms is 2.

please help! will give brainliest

Answers

Answer:

L

Step-by-step explanation:

Its corresponding angles

Answer:

angle L

Step-by-step explanation:

Angle Y equals to angle L because the measure on both angles are still the same. Even though the size of the shape changed. However, because they are the same shape, the angles are still going to be the same.

Im lazy dont ask please-

Answers

Answer:

0.75

or 3/4ths

Step-by-step explanation:

Answer: the answer is 0.75 .

Step-by-step explanation: you are dividing a small dividedivided by a big number so the 3 Is divided into 4 parts so as a decimal it is 0.75 and as a fraction it is 75 over 100 . HOPE IT HELPS YOU .PLEASE GIVE BRAINLIEST .THANKS .

Multiplying Matrices ​

Answers

Answer:

[tex]\left[\begin{array}{ccc}63&44&\\36&25&\end{array}\right][/tex]

Step-by-step explanation:

[tex]\left[\begin{array}{ccc}63+0&42+2\\36+0&24+1\end{array}\right][/tex]

Bill has d more than 3 times the number of baseball cards as Frank. Frank has f baseball cards

Answers

What is the question being asked?

The terminal ray of ∠A passes through the point (−4,−6). ∠A is drawn in standard position. What is the value of cscA?

Answers

The terminal ray of an angle A passes through the origin

The value of csc(A) is -1.2

How to determine the cosine of angle A

The coordinates of the terminal ray is given as:

(x,y) = (-4,-6)

Start by calculating the length (L) of the hypotenuse

[tex]L = \sqrt{x^2 + y^2}[/tex]

So, we have:

[tex]L = \sqrt{(-4)^2 + (-6)^2}[/tex]

Evaluate the exponent

[tex]L = \sqrt{52}[/tex]

Evaluate the root

[tex]L = 7.2[/tex]

The sine of the angle A is then calculated as:

[tex]\sin(A) = \frac{-6}{7.2}[/tex]

The csc of the angle A is then calculated as:

[tex]\csc(A) = \frac{1}{\sin(A)}[/tex]

So, we have:

[tex]\csc(A) = \frac{7.2}{-6}[/tex]

[tex]\csc(A) = -1.2[/tex]

Hence, the value of csc(A) is -1.2

Read more about terminal rays at:

https://brainly.com/question/12121125

If my friend has 20 dollars and she wants to split it with 2 people

Answers

Each will get 10 dollars

Answer:

20 ÷ 2 = 10

Each of them will get 10 doars each.

7) If the side length of the cube is 12 feet, find the surface area,

Answers

Answer:

91.26 ft2

Step-by-step explanation:

Given, length of side =.9 ft

The total surface area of a cube = 6× side 2

=6×3.9×3.9

=91.26ft

2

Answer:

=> 864ft²

Step-by-step explanation:

Given :

=> side length of cube = 12 feet

=> The surface area of cube = 6a²

=> 6×12×12

=> 864 ft ²

show that the equation y = 7/3x - 11/8 can be written in the standard form ax + by = c, in which a, b, and c are all integers​

Answers

Step-by-step explanation:

please mark me as brainlist please I

Simplify the expressions
(24m^-2n)(1/4mn)

Answers

Answer:

6n^2/m

Step-by-step explanation:

Use the rules of exponents to simplify the expression.

24^1m^ −2 n^1 ×( 4/1 )^1m^1n^1

Use the Commutative Property of Multiplication.

24^1 ×( 4/1 ) ^1 m −2m ^1n ^1n^1

To multiply powers of the same base, add their exponents.

24^1 ×(4/1 )^1m^−2+1 n^1+1

Add the exponents −2 and 1.

24^1×(4/1)^1 × ( m^1)n^1+1

Add the exponents 1 and 1.

24^1 ×(4/1)^1 × (m/1)n^2

Multiply 24 times 4/1.

6×(m^1)n^2

Answer.

6n^2/m

Maya started to run on a treadmill after setting its timer for 99 minutes. The display says that she has finished 27% of her run. How many minutes have gone by? Round your answer to the nearest tenth. minutes

Answers

Answer:

26.73 minutes have gone by

Step-by-step explanation:

Use cross multiplication

x        27

----  =  -----    since we are trying to find how many minutes out of 99 passed,

99      100   place x for the missing digit

solve

x times 100 = 99 times 27

simplify

x100 = 2673  x times 100 is just x100 since we don't know what x is, and 99  

                       times 27 is 2673

figure for x

x100 = 2673  to find x, it needs to be alone (x is very introverted :'> ) we can

  ----     -------  remove 100 by doing the opposite of what 100 is doing to the  

 100     100   x. Since it is 100 TIMES x, we will remove it by dividing 100 by        

                      100 (which crosses it out) and then 2673 divided by 100. 2673      

 x = 26.73     divided by 100 gives us 26.73, so x equals 26.73.

Is ​200% of 3 less than​ 10, greater than 10 but less than​ 100, or greater than​ 100?

Answers

Answer:

200% of 3 is 6

therefore it is less then 10 because 6<10

Have a beautiful day :)

pls mark brainliest

An equation was created for the line of best fit from actual enrollment data. It was used to predict the dance studio enrollment values shown in the table below:

Enrollment
Month
January
February
March
April
May
June
Actual
500
400
550
550
750
400
Predicted
410
450
650
650
600
450
Residual
90
−50
−100
−100
150
−50
Analyze the data. Determine whether the equation that produced the predicted values represents a good line of best fit. (1 point)

Group of answer choices
No, the equation is not a good fit because the sum of the residuals is a large number.

No, the equation is not a good fit because the residuals are all far from zero.

Yes, the equation is a good fit because the residuals are not all far from zero.

Yes, the equation is a good fit because the sum of the residuals is a small number.

Answers

Answer:

No, the equation is not a good fit because the residuals are all far from zero.

Step-by-step explanation:

i hope i helped :)

(xyz)^2=____, the expression without exponents is?

Answers

Answer:

xxyyzz

Step-by-step explanation:

(xyz)²=x²y²z²= x*x*y*y*z*z

Answer:

[tex]xxyyzz[/tex]

Step-by-step explanation:

[tex](xyz)^{2}[/tex]

[tex]= x^{2} y^{2} z^{2}[/tex]

[tex]= xxyyzz[/tex]

Find the equation of a line that passes through the point (3,4) and has a gradient of 4.
Leave your answer in the form y= mx + c

HELP ASAP WIL LGIEV BRANLIEST FOR CORRECT ANSWER

Answers

Answer:

y=4x-8

Step-by-step explanation:

Y=mx+c

4=4(3)+c

C=-8

y=4x-8

Step-by-step explanation:

given that gradient i.e. m= dy/dx = 4.

equation passes through point (3,4)...

(Y - y1) = m (X-x1)

Y-4 = 4(X-3)

Y-4 = 4X-12

or Y = 4X-8


Factor this polynomial completely.
15x2 - 11x-12
O A. (15x - 3)(x + 4)
O B. (3x+3)(5x - 4)
C. (15x – 4)(x+3)
O D. (5x+3)(3x – 4)

Answers

Answer:

[tex]D.\:\left(5x+3\right)\left(3x-4\right)[/tex]

Step-by-step explanation:

[tex]15x^2 - 11x-12[/tex]

[tex]\left(15x^2+9x\right)+\left(-20x-12\right)[/tex]

[tex]15x^2+9x:3x\left(5x+3\right)[/tex]

[tex]-20x-12:-4\left(5x+3\right)[/tex]

[tex]3x\left(5x+3\right)-4\left(5x+3\right)[/tex]

[tex]\left(5x+3\right)\left(3x-4\right)[/tex]

~

A pizza parlor cuts their pizzas into six pieces

a) what fraction of the pizza is each slice?

b)Joan ate 1 3/4 or 7/4 pizzas. How many slices was that knowing that they cut each pizza in 6 pieces?

c) How many slices are left over? Pls explain! :)

I will give you 50 POINTS:D

Answers

Answer:

Hi im not sure but if I was doing this this is what i would say

Step-by-step explanation:

a) since the pizza is split in 6th then the pizza would be 6/6th

b) 7/4 is equal to 1 2/4 ( not 100% simplified ) but 1 2/4 also equals to 6/6ths because 1 2/4 = 4+2=6 (not the best accurate explanation )

c) no slices are left over if joan ate 7/4th of the pizza XD

a. Sam had a few books. He asked his parents to triple his book collection for his birthday,
and they did. The next day, he Lost two but he still had ten. How many books did Sam have
initially

Answers

Answer:4 books

Step-by-step explanation:

10+2=12 then you do 12 divided by 3 because he got 3 times as many wich means he had 4 books originally!! :D

I need help on this question

Answers

Step-by-step explanation:

the area of a rectangle is

length × width.

our job here is to find all integer values for length and width, so that their product is 90.

that means that length and width are both factors of 90.

the factors of 90 are

1 × 90

2 × 45

3 × 30

5 × 18

6 × 15

9 × 10

10 × 9

15 × 6

18 × 5

30 × 3

45 × 2

90 × 1

the prime number grouping

is

2 45 (can't be divided by 2 anymore, so,

next prime factor)

3 15

3 5 (can't be divided by 3 anymore, so

next prime factor)

5 1 (the end)

so, besides 1 and these prime factors, the only other factors are combinations of these prime factors :

2×3 = 6

2×5 = 10

3×3 = 9

3×5 = 15

2×3×3 = 18

2×5×3 = 30

3×5×3 = 45

For the school performance, the band teacher asked the students to wear all red, all white, or all blue. Three times as many students wore blue compared to red. Five fewer students wore white than red. If there were 55 students in the band, how many wore white?

Answers

Step-by-step explanation:

15 students wore white because substituting (x+5) that is (5+10) it's going to give 15 hope you understand

now pleseeeeeeeeeeeeee​

Answers

Answer:

504

Step-by-step explanation:

you can add all of them then times that by six to get 504 as your answer

Hope this helped.

A brainliest is always appreciated.

What is the greatest common factor of the terms of the polynomial below?
12x - 6x + 9x²
ОА. 3х2
ОВ. 3х3
C. 2x3
O D. 2x²

Answers

Answer:

6x+9x^2

3x(2+3x)

x=0 or x=2/3

Solve for X
2.50X = 4.25

Answers

Answer:

1.70

Step-by-step explanation:

x=4.25/2.50=1.70

At the beginning of Jack's diet, he was 257 pounds. If he lost 3 pounds per week, find his weight after
12 weeks.

Answers

Answer:

A loss of weight means we subtract from Jack's current weight. 

Step-by-step explanation:

A loss of weight means we subtract from Jack's current weight. New Weight = Current Weight - Weight Loss per week * number of weeksNew Weight =257 - 3*12New Weight =257 - 36New Weight = 221

[times 12] 3 pounds= 1 week. {times 12}
36 pounds = 12 weeks


Then:

257-26=221


Answer: Jack will be 221 pounds
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