Solve for the value of Y using the first equation, 3x-7, and then plug in 3x-7 wherever you see Y, because Y=3x-7. You can find X and then use that value of X and plug it into the equation to solve for Y

7 0

3 years ago

A costume designer bought 1.4 kg of sequince. She used 250 grams to make a crown and 400 grams to make a cape. How many grams of

Salsk061 [2.6K]

Find the total amount in grams.

1 kg = 1000 g

1.4 * 1000 = 1400

So she bought a total of 1400 grams.

Add up the grams she used:

400 + 250 = 650

Subtract it from the total:

1400 - 650 = 750

So 750 grams of sequence were left.

5 0

3 years ago

Read 2 more answers

If angle ABC is congruent to angle DEF, what substitution property would this equation be??? Angle DEF=180 degrees - angle ABC A

Elodia [21]

Answer:

Step-by-step explanation:

5 0

3 years ago

What ratio is equvalent to 6 over 12

Ber [7]

Hello from MrBillDoesMath!

Answer:

1/2

Discussion:

6/12 = => as 12 = 6*2

6 /( 6*2) = => cancel 6's in num and denom.

1/2

Thank you,

MrB

6 0

3 years ago