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Lelu [443]
3 years ago
13

Peter is saving for a down payment of $50,000 for a new home. Yesterday, he created an equation that models his current savings

plan to
determine how long it will take him reach his goal. In his model, y represents the total amount saved and x represents the number of months
since yesterday. Which statement is true?
Step 1:
Step 2:
30,000
Step 3:
y= 30,000 + 2,000x
y - 30,000 = 30,000 + 2,000x-
y - 30.000 = 2,000x
y - 90,000 2,000
2,000 = 2,000
Step 4:
y
- 30,000
Step 5:
2,000 = x
50,000 - 30,000
=x
2,000
Step 6:
Step 7:
10 = x
O A.
Peter used the division property of equality in step 4.
OB.
Peter used the substitution property in step 5.
C.
Peter used the subtraction property of equality in step 5.
OD. Peter used the associative property in step 6.
Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

Answer:

A. step 4

Step-by-step explanation:

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Select the correct answer.
Vikki [24]

Answer:

the answer is A. 3225

Step-by-step explanation:

S₃₀ = 30/2 [ 2 x 6 + (30 - 1) x 7 ]

15 [ 12 + 29 x 7 ]

15 [ 12 + 203 ]

15 x 215

=3225

3 0
2 years ago
270 peaches are placed into three groups: small peaches,
Ghella [55]

Answer:

$0.45

Step-by-step explanation:

ratio is 2:4:3

total is 9

270 ÷ 9 = 30

smoll

60 × 0.25 = $15

med

120 × 0.30 = $36

Big

91.50 - 15 - 36 = 40.5

40.5 ÷ 90 = $0.45

4 0
2 years ago
An animals heart beats 80 beats per minute how many minutes does it take to beat a million times?
Klio2033 [76]

The key calculation in this problem is figuring out <em>how many times 80 goes into 1,000,000</em>. I'll build up in steps here.

80 x 5 = 400. This gives us a building block on our way to 1,000,000. From here, we can go further and say that 400 x 5 = 2,000; that 2,000 x 5 = 10,000; and finally that 10,000 x 100 = 1,000,000. Altogether, starting from 80, that's

80 x 5 x 5 x 5 x 100 = 80 x 25 x 500 = <em>80 x 12,500</em>

So, since 80 goes into one million 12,500 times, it takes 12,500 minutes for the animal's heart to beat that 1,000,000 times.

4 0
3 years ago
What is 1.7¯ expressed as a fraction in simplest form?
attashe74 [19]
C or A could be the answer
5 0
3 years ago
Read 2 more answers
What is the slope of the line segment with endpoints at (2,-5)<br> and (-1, -1)?
Advocard [28]

Answer:

The slope of the line segment is m=-\frac{4}{3}

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have the points

(2,-5)  and (-1, -1)

substitute in the formula

m=\frac{-1+5}{-1-2}

m=\frac{4}{-3}

m=-\frac{4}{3}

3 0
3 years ago
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