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daser333 [38]
3 years ago
5

How do you solve subtraction equations using models?

Mathematics
2 answers:
Sonja [21]3 years ago
8 0
You take the difference of the numbers.
Serhud [2]3 years ago
4 0
You draw as many rectangles that are the minuends - as many rectangles that equal the subtrahend. 
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sarah used 3/4 pound of blueberries to make 1/2 cup of jam. how many pounds of blueberries would she need to make a cup of jam?
Ksenya-84 [330]

Answer: She needed 1\frac{1}{2}\text{ pounds of blueberries} to make a cup of jam .

Step-by-step explanation:

Since we have given that

Sarah used \frac{3}{4} pound of blueberries to make \frac{1}{2} cup of jam.

As we need to find the number of pounds of blueberries she would need to make a cup of jam.

So, we will use "Unitary Method":

\text{For }\frac{1}{2}\text{ cup of jam},\\\\\text{ she need }\frac{3}{4}\text{ pound of blueberries }\\\\\text{ For 1 cup of jam}.\\\\\text{She need }=\frac{3}{4}\times 2=\frac{3}{2}=1\frac{1}{2}\text{ pounds of blueberries }

Hence, She needed 1\frac{1}{2}\text{ pounds of blueberries} to make a cup of jam .

4 0
3 years ago
PLEASE ANSWER!! is it a, b, c or d!?
denis-greek [22]

Answer:

<h3>C. </h3>

Step-by-step explanation:

<h2>To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of </h2><h2>To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b</h2><h2 /><h2>Carry on learning </h2>

4 0
2 years ago
Grandmother Davis is 2 vears more than &amp;
nevsk [136]
If I put this into an equation it would look like 2x+2= 66. 66-2= 64. You do this because to get x you have to reverse the equation, but you have to do the number not connected to x first. Then 2x= 64. So you divide 64 by 2 which is 32. So Jordan is 32 years old. Hope this helped!
6 0
2 years ago
Someone tell me where everyone is going right please !!
myrzilka [38]

Answer:

A 2

B 1

C 4

D 3

Step-by-step explanation:

( ) means not including (also used for infinity)

[ ] means including

The answer choices are in interval form, showing all the possible answer choices between two numbers and if the answer choice includes or excludes a number using the () []

Explanation for A:

x < 7.8 means x won't include 7.8 since the symbol is "less than" and not "less than or equal to".

x can be anything, it just has to be less than 7.8, so the answer is:

2 (-infinity, 7.8)

Explanation for B:

x <= 7.8 means x will include 7.8 since the symbol means "less than or equal to".

x can be anything, it just has to be less than or equal to 7.8, so the answer is:

1 (-infinity, 7.8]

Explanation for C:

x >= 7.8 means x will include 7.8 since the symbol means "greater than or equal to".

x can be anything, it just has to be greater than or equal to 7.8, so the answer is:

4 [7.8, infinity)

Explanation for D:

x > 7.8 means x won't include 7.8 since the symbol means "greater than" and not "greater than or equal to".

x can be anything, it just has to be greater than 7.8, so the answer is:

3 (7.8, infinity)

Hope it helps (●'◡'●)

5 0
2 years ago
Read 2 more answers
Are 3y+3 and 9(y+1/3) equivalent
vovangra [49]

Answer:

no

Step-by-step explanation:

3y+3 doesnt equal 9y+3

5 0
2 years ago
Read 2 more answers
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