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2 years ago

Write an addition equation that can help you find 9-6 explain your answer

2 answers:

6 0

The answer of 9-6=A(or any other letter) A=3.so for an addition problem just do A+6=9 or 6+A=9 .You do this because you are just doing the inverse operation.

# #
U

madreJ [45]2 years ago

5 0

For this case, the first thing we must do is define a variable:
x: unknown number
We then have the following equation:
$9-6 = x
$
We are going to rewrite the equation as an addition equation.
To do this, we add 6 on both sides of the equation:
$9-6 + 6 = x + 6
$
Let's rewrite the left side of the equation:
$9 + 0 = x + 6

9 = x + 6$
Answer:
an addition equation that can help you find 9-6 is:
$9 = x + 6$

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Alexandra and her children went into a grocery store and she bought $7.65 worth of

zalisa [80]

Answer:

$\large \boxed{\text{3 apples and 6 bananas}}$

Step-by-step explanation:

Let a = the number of apples

And b = the number of bananas. Then,

$\begin{array}{rcll}(1) \, 1.75a + 0.40 b & = & 7.65&\\(2)\, \, \, \, \quad \qquad a + b & = &9&\\(3) \, 0.40a + 0.40b & = &3.60&\text{Multiplied (2) by 0.40}\\1.35a & =&4.05\\(4) \, \, \quad \qquad \qquad a & =& \mathbf{3}&\text{Divided each side by 1.35}\\3 + b & = &9& \text{Substituted(4) into (2)}\\b &=& \mathbf{6}&\text{Subtracted 3 from each side}\\\end{array}\\\text{They bought $\large \boxed{\textbf{3 apples and 6 bananas}}$}$

Check:

$\begin{array}{cccl}3(1.75) + 6(0.40) = 7.65 & \qquad & 3 + 6 = 9\\5.25 + 2.40 = 7.65 & \qquad & 9 = 9\\7.65 = 7.65 & \qquad & \\\end{array}$

OK.

3 0

2 years ago

A rectangle has a perimeter of 18 inches. a new rectangle is formed by doubling the with W in tripling the length L as shown the

vladimir1956 [14]

a) The dimensions of original rectangle are length= 5 and width= 4.

b) The dimensions of new rectangle are length= 15 and width=8.

Step-by-step explanation:

length of a rectangle = l
width of a rectangle = w
Perimeter of a rectangle = 2(l+w)

Original rectangle :

18 = 2(l+w)

18 = 2l + 2w ---------(1)

New rectangle :

46 = 2(3l+2w)

46 = 6l + 4w ---------(2)

Solving the equations :

Multiply (1) by 2 and subtract (2) from (1)

4l + 4w = 36

-(6l + 4w = 46)

-2l = -10

l = 10/2

length = 5 inches.

Substitute l=5 in (1)

18 = 2(5)+2w

18 = 10+2w

2w = 8

w = 8/2

width = 4 inches.

length of new rectangle = 3(l) = 3 $\times$ 5 = 15 inches.

width of new rectangle = 2(w) = 2 $\times$ 4 = 8 inches.

8 0

2 years ago

In Texas, the coldest temperature ever recorded is -23 F. That's a lot chillier than in Florida, where the coldest recorded temp

beks73 [17]

Answer:

Step-by-step explanation:

21+-23=-2

3 0

2 years ago

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A packing crate measures 3 feet by 12 feet by 7 feet. what is the area of its smallest side

8090 [49]

The packing crate measures 3 feet by 12 feet by 7 feet (volume). To find the area of the smallest side, multiply the two smaller numbers

3 x 7 = 21

21 feet² is the area of the smallest side

hope this helps

5 0

2 years ago

A florist has 8 roses and 24 daffodils.she wants to make as nany identical bouquets as possible, with the same combination of ro

Paladinen [302]

They should have 3 daffodils and 1 rose in each bouquet and that will equal 8 bouquets.

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2 years ago