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anygoal [31]
3 years ago
7

Can someone help me with 19?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0
The volume of a pyramid is area of base times hight over 3. 
This should help you make an equation. 
You might be interested in
Pls help! Brainliest for first correct answer!
Triss [41]

Answer:

36 kg

Step-by-step explanation:

Let m = mass of green tea.

The total mixture should be (18*3.5+2.6*m)/(18+m) = 2.9

The numerator is $, denominator is kg

Therefore 63+2.6m = 52.2+2.9m

0.3m = 10.8

3m = 108

m = 36

6 0
3 years ago
Will give brainliest need help asap
sergiy2304 [10]

Answer:

I'll only answer the 1st one:    17 cubed / square root of 12

Step-by-step explanation:

Figure the rest out yourself.

6 0
2 years ago
Factor the expression –5g + 15h – 25.
shtirl [24]

Answer:

-5(g-3h+5)

Step-by-step explanation:

-5g+15h-25

-5(g-3h+5)

3 0
2 years ago
Read 2 more answers
5 If 15 cookies cost $8.50, how much would it cost for 25 cookies? Write a proportion and solve it below:​
AlladinOne [14]

Answer:

14.25

Step-by-step explanation:

8.5/15=0.57

1:0.57

0.57*25=14.25

6 0
2 years ago
Convert 6 2/5 to a percent?<br><br>A) 6.4%<br>B) 64%<br>C) 640%<br>D) 6,400%​
777dan777 [17]

Answer:

C) 640%

Step-by-step explanation:

6 2/5

Convert it to an improper fraction -

6 2/5 = 32/5

Convert the improper fraction to a decimal -

32/5 = 6.4

Multiply 6.4 by 100

= 640%

Hope this helps :)

4 0
3 years ago
Read 2 more answers
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