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irina1246 [14]
2 years ago
5

Please help with math

Mathematics
2 answers:
Brilliant_brown [7]2 years ago
7 0

Answer:

34

Step-by-step explanation:

3*(2*2*2)+10

3*(8)+10

24+10

34

slega [8]2 years ago
4 0
Answer:
34
Step-by-step explanation:
3*(2*2*2) +10
3* (8) +10
24+10
34
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Original price of a sled: $99.50<br> Discount: 50%
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Answer:

49.75

Step-by-step explanation:

1/2 (50%) of 99.50 is 49.75

8 0
3 years ago
If a high-speed color printer can print 72 color copies in 4 minutes, what is the unit rate in color copies per minute?
stiv31 [10]
18 color copies per minute
6 0
3 years ago
Read 2 more answers
Two pumps can fill a pool tank in 26 hours when working together. Alone, the second pump takes twice as long as the first to fil
vesna_86 [32]

Answer:

Step-by-step explanation:

Let's say

d1 the outflow of the first pump

d2 the outflow of the second pump

V=1 is the volume of the tank

Since the second pump takes twice as long as the first to fill the tank,

V=1=k*d_1*t\\V=1=k*d_2*(2*t)\\==>\ d_1=2*d_2\\\\

Two pumps can fill a pool tank in 26 hours when working together:

V=1=k*(d_1+d_2)*26 \ ==> V=1=k*(3*d_2)*26 \  ==>k=\dfrac{1}{3*d_2*26} \\\\

How long does it take the first pump alone to fill the tank:

V=1=k*d_1*t=k*2*d_2*t=k*3d_2*26\\2*t=3*26\\\\t=\frac{3*26}{2} \\\\t=3*13\\\\t=39\ (hours)

4 0
3 years ago
The value of the surface area (in square centimeters) of the cone is equal to the value of the volume (in cubic centimeters) of
Dovator [93]

Answer:

The height of the cone is 10.9 cm

Step-by-step explanation:

step 1

Find the height of the cone

Applying the Pythagoras Theorem

12^{2}=5^{2}+h^{2}

144=25+h^{2}

h^{2}=144-25

h^{2}=119

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therefore

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6 0
3 years ago
I need to know how to do this
kiruha [24]
1) 2
2) 3
3) 4
4) 7
Hope this helps ^-^
5 0
3 years ago
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