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3 years ago

Find the difference. 8.25 - (-1.9) A.8.44 B.6.35 C.10.15 D.-6.35

2 answers:

4 0

The answer is C. 10.15 because two minus signs become a positive a.k.a when you subtract a positive with a negative it becomes 8.25 + 1.9

quester [9]3 years ago

3 0

Answer:

C. 10.15

Step-by-step explanation:

If you left 8.25 and changed the minus sign to a addition sign and the -1.9 to just 1.9 and then add 8.25 + 1.9 together you will then get 10.15 a way to remember this is “leave, change, change,” you leave the first number and change the subtraction and negative number sign. :)

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A painting measure 40 cm by 35 cm how many squared cm does its surface cover

miskamm [114]

Answer: Its surface covers 1400 cm²

Explanation:

Since the length of painting = 40 cm

Breadth of painting = 35 cm

Since we know that area of rectangle is product of dimensions.

∴ Area of painting = length × breadth

= 40 cm × 35 cm

= 1400 cm²

∴ Its surface cover 1400 cm².

8 0

3 years ago

I need help!!!! <br> Which represents the inverse of the function f(x)=4x?

Mrac [35]

Answer:

$h(x)=\frac{1}{4}x$ .

Step-by-step explanation:

The inverse is basically you just swapping x and y. People want to solve it for y to make it a function of x.

$y=4x$

Swap x and y:

$x=4y$

Now solve for y by dividing y on both sides:

$\frac{x}{4}=y$

$\frac{1}{4}x=y$

$y=\frac{1}{4}x$ .

4 0

3 years ago

A box contains paper clips of three different sizes. The numbers of each size of paper clip are listed below.

Bond [772]

Answer:

$\frac{7}{10}$

Step-by-step explanation:

Add all paper clip sizes together:

$100 + 250 + 150 = 500$

They want the probability of either a small or medium being chosen, so you add both paper clips sizes together.

$100 + 250 = 350$

Now put the number of small and medium paper clips together over the total number of paper clips to find the probability.

Can divide 350 and 500 by 50, which simplifies it down to 7/10.

$\frac{350}{500} = \frac{7}{10}$

8 0

3 years ago

Read 2 more answers

0.08 is 10 times as great as

fiasKO [112]

Move the decimal point to left place 0.008

4 0

3 years ago

Find the percent markdown rounded to the nearest percent

marysya [2.9K]

You are going to find the different of the new price from the old price . 175.90-153.77=22.13

then you divide the difference by the new prince 22.13/153.77= 0.1439

you are you to multiple the decimal by 100

Your answer is going to be 14.39
Your estimate can be 14%

5 0

3 years ago