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Nitella [24]
4 years ago
10

Explain why you should record a 1 in the tens column when you regroup in an addition problem

Mathematics
1 answer:
kaheart [24]4 years ago
5 0
Becaue the ones add up to 10 or more, they will regroup and put a 1 above the tens column to show the 10.
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I don’t know this I tired.
solmaris [256]

Answer:

D

Step-by-step explanation:

the square root of 24 is 4.8 so it has to be D

3 0
3 years ago
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There are 40 students in grade 7. 15 are boys and the others are girls a student is selected for a field trip in random. Find th
Bezzdna [24]

Answer:

There's a 37.5 percent chance that a boy will be selected.

Step-by-step explanation:

15/40=?/100

100 times 15 is 1500

1500 divided by 40 is 37.5

7 0
4 years ago
1. What would the value of the inverse of f(x) be if x=27? *
lara31 [8.8K]

Answer:

Y = 1/27x

Step-by-step explanation:

In order to find the inverse we switch places with x and y to get x = y27. In order to even out the equation, we divide both sides by 27 to get our answer. The answer would be y = x/27 or  y = (1/27)x.

Apologies if I'm incorrect.

4 0
4 years ago
Given: f(x) = x - 7 and h(x) = 2x + 3<br><br> Write the rule for h(f(x)).
Andrei [34K]

Answer:

h(f(x)) = 2x - 11

Step-by-step explanation:

h(f(x)) is a "composite function."  We use the function f(x) as the input to the function h(x):

h(x) = 2x + 3, or 2( x ) + 3; replacing x with f(x), or x - 7, we get:

h(f(x)) = 2(x - 7) + 3, or

h(f(x)) = 2x - 14 + 3, or

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3 0
4 years ago
A rectangular floor is 18ft long and 12 ft wide. Lamar wants to carpet the floor with carpet tiles sold by square yard. Use the
WITCHER [35]

Solution

The dimension of the rectangular floor is 18ft long and 12 ft wide

Using the conversion table

It is given that 1yd =3 ft

This shows that

12 feet will be equivalent to

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Also 18ft will be equialent to

\frac{18}{3}=6yd

Therefore the new dimension is 6 yard by 4 yard

The area will be

A=6\times4

Therefore the required area is

A=24yd^2

5 0
2 years ago
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