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motikmotik
3 years ago
6

For each equation, find a value for x that makes the statement true

Mathematics
1 answer:
babunello [35]3 years ago
3 0

Answer:

1. 36

2. 8.5

3. 2 i think

4. 6

5. 9

6. -3.6

Step-by-step explanation:

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Rosa has $117 in her savings account and $95 in her checking account. Each week she will put $21 into her savings account and $2
mr_godi [17]

Answer:

It will take Rosa 5 and a half (5.5) weeks to have the same amount of money in both accounts.

Step-by-step explanation:

For this problem, we will have to set two expressions equal to each other. The first expression will represent Rosa's saving account, which already has $117 in it. Every week (x), she adds $21 to her savings account:

21x+117

The second expression will represent Rosa's checking account. Rosa's checking account already has $95 in it. Every week (x), she adds $25 to her checking account:

25x+95

Now that we have our two expressions, set them equal to each other. This is our equation that will be used to find the number of weeks (x) it takes until Rosha has the same amount of money in both accounts:

21x+117=25x+95

Subtract 21x from both sides of the equation:

117=4x+95

Subtract 95 from both sides of the equation:

22=4x

Divide both sides of the equation by the coefficient of x, which is 4:

5.5=x

x=5.5

So it will take five and a half weeks for her accounts to have the same amount of money.

_

Check your work by substituting 5.5 into the initial equation:

21(5.5)+117=25(5.5)+95

115.5+117=137.5+95

232.5=232.5

Since the accounts have the same amount, the answer is correct!

6 0
3 years ago
Read 2 more answers
Cara started working for $9 per hour. She earns a 4% raise every year. What is her
shutvik [7]

Answer:

Caras hourly wage is $10.08 after 3 years

Step-by-step explanation:

4% of 9

0.04 x 9 = 0.36

then you multiply 0.36 by 3 because you are solving for 3 years.

0.36 x 3 = 1.08

then you add 1.08 to 9 because Cara's wage goes up $1.08 in 3 years

1.08 + 9 = 10.08

answer:

Cara's hourly wage is $10.08 after 3 years of working

5 0
3 years ago
The diagram compares the ratio of girls in the chorus to boys in the chorus what is the ratio of girls to boys if there are 40 s
Gala2k [10]
Ratio of girls to boys is 3:2....added = 5.....this means that 3/5 of the total students are girls and 2/5 of the total students are boys.

so if there are 50 students...
3/5(50) = 150/5 = 30 girls
2/5(50) = 100/5 = 20 boys
7 0
2 years ago
What is the area of a triangle whose side measures 7 meters and whose height to that base measures 4 meters?
Basile [38]

Answer:

14 meters ^2

Step-by-step explanation:

formula: A=(h<em>b*</em>b)/2

A=(4*7)/2

A=(28)/2

A=14

4 0
3 years ago
Plz help me with this! Thank you
ss7ja [257]

Answer:

-6x and 5x are like terms.

-9 is a constant.

-2y is a term

8 0
3 years ago
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