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bazaltina [42]
3 years ago
10

Shen made this solid out of clay.

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0
Act like i helped lol.
dangina [55]3 years ago
3 0
378 cm is the volume hope this helped
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F(x)=-9x^2-7x+8, x=5
VashaNatasha [74]
F(x) = -9x^2 - 7x + 8
f(5) = -9(5^2) - 7(5) + 8
f(5) = -9(25) - 35 + 8
f(5) = - 225 - 35 + 8
f(50 = - 252 <==
4 0
3 years ago
On the 7th grade field trip to Washington D.C for every 8 students there were 3 chaperones. 12 chaperones were needed. How many
irinina [24]
32 students would be on the trip. What I did to solve it was a proportion. 8students/ 3 chaperones= x students/12 chaperones.
8*12= 96 and 96/3=32. Therefore 32 students were on the trip.
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7Ba%20%7D%5E%7B2%7D%20%20%2B%208a%20%2B%2015%20%3D%200" id="TexFormula1" title=" {a }^{2}
NISA [10]

Answer:

a = - 5, a = - 3

Step-by-step explanation:

Given

a² + 8a + 15 = 0 ← in standard form

(a + 3)(a + 5) = 0 ← in factored form

Equate each factor to zero and solve for a

a + 3 = 0 ⇒ a = - 3

a + 5 = 0 ⇒ a = - 5

8 0
3 years ago
9) Solve for w:<br> W +12<br> 2w
Kazeer [188]

Answer:

w = 26

Step-by-step explanation:

set up an equation; since this is a right angle, it equals 90 degrees

90 = w + 12 + 2w

90 - 12 = w + 2w

78 = 3w

78/3

w = 26

8 0
3 years ago
Read 2 more answers
Write the standard form of the equation and write the slope intercept. Need help with #7 &amp; #8. Thanks!
Dafna11 [192]
Number 8 is C. I'm still trying to figure out what number 7 is.
3 0
3 years ago
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