2 years ago

Find the surface area please

Mathematics

1 answer:

True [87]2 years ago

5 0

Answer:

150 ft

Step-by-step explanation:

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The sum of two numbers is forty-five. two times the larger number is three times the smaller number.

Kitty [74]

X+y=45
2x=3y

2(45-y)=3y
90-2y=3y
90=5y
y=18

x+y=45
x+18=45
x=27

The two numbers are 18 and 27

8 0

3 years ago

Factor each expression.<br><br> Problem: 2p^3 + 6p^2 + 3p + 9<br> Answer: (p + 3) (2p2 + 3)

oee [108]

Factor by grouping
$2p^3 + 6p^2 + 3p + 9$
$2 p^3+6 p^2+3 p+9=\left(2 p^3+6 p^2\right)+(3 p+9)=\left(2 p^2\right) (p+3)+3 (p+3)$
$2 p^2 (p+3)+3 (p+3)$
$(p+3) \left(2 p^2+3\right)$

4 0

2 years ago

Jamal and Sean plan to make T-shirts to sell at a fair. Jamal plans to make 6 T-shirts

Butoxors [25]

Answer:

Jamal will have made 12 more T-shirts than Sean on the 6th day.

Step-by-step explanation:

1 day for Jamal - 6 T-shirts. 1 day for Sean - 4 T-shirts. 2 day for Jamal - 12 T-shirts. 2 day for Sean - 8 T-shirts. 3 day for Jamal - 18 T-shirts. 3 day for Sean - 12 T-shirts. 4 day for Jamal - 24 T-shirts. 4 day for Sean - 16 T-shirts. 5 day for Jamal - 30 T-shirts. 5 day for Sean - 20 T-shirts. 6 day for Jamal - 36 T-shirts. 6 day for Sean - 24 T-shirts. Number between 24 and 36 = 12.

3 0

2 years ago

Mary Steiner purchased school supplies at Office Emporium for $97.62. She then purchased a dictionary for $22.95 and a CD for $1

slamgirl [31]

Answer:

8.79 + .67 = 9.46 total tax

Step-by-step explanation:

97.62 + 22.95 + 14.78 = 135.35

135.35 * .065 = 8.79 state

135.35 * .005 = .67 county

8.79 + .67 = 9.46 total tax

7 0

2 years ago

Solve 7^x-2 =30.

Anna007 [38]

Answer:

x = 3.748

Step-by-step explanation:

this problem requires logs

$log_{7} 30 = x-2$

x = 2 + log_7 (30) or 3.7479

3 0

1 year ago