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scoray [572]
2 years ago
13

A seamstress is making costumes for a school play.she needs 7 yards of fabric.she has 2 feet of fabric.how many more feet of fab

ric does she need
Mathematics
2 answers:
coldgirl [10]2 years ago
7 0
The seamstress needs 5 more yards of fabric.
7-2=5
hoa [83]2 years ago
6 0
Because there are 3 feet in a yard, 7 yards of fabric is 21 feet.  Since she already has 2 feet of fabric, she will need 19 more feet of fabric.
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3 years ago
If x - 2y + z = 5 and -x + 3y - z = 2, then y = ?
jok3333 [9.3K]

Answer:

y=10

Step-by-step explanation:

5 0
2 years ago
Jocelyn just accepted a job at a new company where she will make an annual salary of $70000. Jocelyn was told that for each year
Oksanka [162]

Answer:

$80,500

55,500 + 1,500t

Step-by-step explanation:

The question is an arithmetic progression series

Where,

a= first term

d= common difference

n= number of terms

a = $70,000

d= $1,500

n= 8 years

8th term = a + (n-1) d

= 70,000 + (8-1)1500

= 70,000 + 7(1500)

= 70,000 + 10,500

= $80,500

Jocelyn salary after 8 years is $80,500

Solve for when n = t

t th term = a + (n-1)d

= 70,000 + (t - 1)1500

= 70,000 + 1,500t - 1,500

= 55,500 + 1,500t

t th term = 55,500 + 1,500t

4 0
3 years ago
Victor made a cake for his cousin's birthday party. Victor baked the cake for 40 minutes. It took 8 times as long for Victor to
irga5000 [103]

Answer:

320 min. or 5 hrs 20 min.

Step-by-step explanation:

40 x 8 = 320

6 0
2 years ago
1/2x+1/4y=6. 1/5x+1/3y=1
Ierofanga [76]
\frac{1}{2}x+\frac{1}{4}y=6 \ \ \ |\times 2 \\
\frac{1}{5}x+\frac{1}{3}y=1 \ \ \ |\times (-5) \\ \\
x+\frac{1}{2}y=12 \\
\underline{-x-\frac{5}{3}y=-5} \\
\frac{1}{2}y-\frac{5}{3}y=12-5 \\
\frac{3}{6}y-\frac{10}{6}y=7 \\
-\frac{7}{6}y=7 \\
y=7 \times (-\frac{6}{7}) \\
y=-6 \\ \\
x+\frac{1}{2}y=12 \\
x+\frac{1}{2} \times (-6)=12 \\
x-3=12 \\
x=12+3 \\
x=15 \\ \\
\boxed{(x,y)=(15,-6)}
3 0
3 years ago
Read 2 more answers
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