MATHEMATICS MIDDLE SCHOOL

Which decimals are less than –0.8?Choose all answers that are correct
–7.13
–0.86
–0.79
0.846

Answers

Answer 1

Answer:

The Correct Answers Are A And C

Glad To Help You

Hope It Helps!!

Answer 2

Answer: when you plot these on a number line, -7.13 and -0.86 will both be farther from ZERO than -0.8

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Slope passing through the points of (3,-3) and (2,-5)

Answers

Answer:

Use the slope formula (y2-y1)÷(x2-x1)

Step-by-step explanation:

(-5-(-3))÷2-3

= (-2.5,-1)

Hannah has a grid of squares that had 12 rows with 15 squares in each row. She colors 5 rows of 8 squares in the middle of the grid blue. She colors the rest of the squares red. How many squares does Hannah color red?

Answers

there's a grid of squares with 12 rows and in each row there are 15 squares

from this grid she colours 8 squares from each row for 5 rows blue.

the rest of the squares she colours red

so first we have to find how many squares are there in the grid in total

so if each row has 15 squares

then 12 rows have - 15 x 12 = 180 squares

blue coloured squares

she colours 8 rows of 5 squares

so if 1 row has - 5 squares

then 8 rows have - 5 x 8 = 40 squares

from 180 squares, she colours 40 squares blue and the rest red colour

therefore the squares she colours red are

red squares = 180 - 40 = 140 squares

she colours 140 squares red

WORK:
12 rows of 15 squares = 12 × 15 = 180 squares
5 rows of 8 squares = 5 × 8 = 40 squares
180 squares - 40 squares = 140 squares
ANSWER:
Hannah colors 140 squares red.

The length of AB¯¯¯¯¯ is 10 inches. A dilation with a scale factor of 25 is applied. What is the length of the image of AB¯¯¯¯¯ ?

Answers

Answer:

length of image of AB is 4 inches.

Step-by-step explanation:

Scale factor(k) is defined as the ratio of image to the pre-image.

i.e,

$k = \frac{\text{Image}}{\text{Pre-image}}$

as per the statement:

The length of AB is 10 inches. A dilation with a scale factor of $(2)/(5)$

⇒ $k= (2)/(5) =0.4$ and Length of pre-image AB = 10 inches.

by definition of scale factor:

$\text{length of image AB} = k \cdot \text{Length of Pre-image AB}$

Substitute the given values we have;

$\text{length of image AB} = 0.4 \cdot 10$

Simplify:

$\text{length of image AB} =4$ inches.

Therefore, the length of image AB is 4 inches.

The answer is 4.

I hope this helps. :)

Evaluate the expression when p= -24 and q= 4 p/2q48

-48

3

-3

Answers

The answer is -3 because if you plug in the values for the letters you would get -24/2(4)

Once you simplify the expression, you will get -24/8

24/8 is 3 and you take the sign of the larger number which is negative

so your answer is (-3)

Hope i helped

Mathilde has 20 pints of green paint. She uses 2/5 of it to paint a landscape and 3\10 of it while painting a clover. She decides that for her next painting she will need 14 pints of green paint. How much more paint will she need to buy?

Answers

8 more pints to paint

Further explanation

Given:

Mathilde has 20 pints of green paint.

She uses:

²/₅ of it to paint a landscape, and
³/₁₀ of it while painting a clover.

She decides that for her next painting she will need 14 pints of green paint.

Question:

How much more paint will she need to buy?

The Process:

Prepare ²/₅ to be ⁴/₁₀. The numerator and denominator are multiplied by two.

From the fractions ⁴/₁₀ and ⁵/₁₀ with the denominators of 10, we divided 20 pints into 10 parts for 2 units each.

The initial condition: $\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}\boxed{2}$

²/₅ (or ⁴/₁₀) of it to paint a landscape: $\boxed{2}\boxed{2}\boxed{2}\boxed{2}$ which is four out of ten parts or $\boxed{ \ 2+2+2+2=8 \ pints \ }$

³/₁₀ of it while painting a clover: $\boxed{2}\boxed{2}\boxed{2}$ which is three out of ten parts or $\boxed{ \ 2+2+2=6 \ pints \ }$

From the scheme above, it appears that Mathilde has 6 pints remaining, i.e., $\boxed{ \ 20-8-6=6 \ pints \ }$

She decides that for her next painting she will need 14 pints of green paint.

Thus, the amount of paint that she will need to buy is $\boxed{\boxed{ \ 14 - 6 = 8 \ }}$ . She needs 8 more pints of paint to buy.

Learn more

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Keywords: Mathilde has 20 pints of green paint, 2/5 of it to paint a landscape, 3\10 of it while painting a clover, she will need 14 pints, how much more, she needs to buy, 8 pints

2/5 = 4/10 = 8
3/10 = 6
8 + 6 = 14 + 14 = 28
28 - 20 = 8
8 pints needed or 1 gallon
Hope that Helps!

Sara brought 2 boards of wood for a club project . 1 board is 18 inches long and the other board is 30 inches long she wants to cut the wood into the longest equal sized pieces possible with no wood left over Sara wonders if she had enough wood for 10 equal sized pieces