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MAXImum [283]
3 years ago
14

Evaluate 3a+15+bc−6, when a=7, b=3, and c=15. Enter your answer in the box.

Mathematics
2 answers:
melamori03 [73]3 years ago
5 0
I think it's 75.
____________
stepladder [879]3 years ago
5 0
Given:
3a + 15 + bc - 6
a=7 b=3 c=15
First, you would have to substitute in the numbers for your variables:
3a + 15 + bc - 6
3(7) + 15 + (3)(15) - 6
Next, you want to simplify:
3(7) + 15 + (3)(15) - 6
21 + 15 + 45 - 6
Now, you would want you would want to combine everything together from left to right:
21 + 15 + 45 - 6
36 + 45 - 6
81 - 6
75
Answer: 75

I hope this helps!
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Simplify 3(у- 1) +7 completely.<br> А. Зу+6<br> В. Зу+ 4<br> С. 3y+10<br> D. Зу- 3
marysya [2.9K]

Answer:

B. 3y + 4

Step-by-step explanation:

Step 1:

3 (y - 1) + 7

Step 2:

3y - 3 + 7

Answer:

3y + 4

Hope This Helps :)

4 0
3 years ago
Read 2 more answers
Giving brainily to correct answer!!!!
babymother [125]

A= 1/2 b x h

A = 1/2 8 x 9

A = 1/2 (72)

A= 36

Answer is 32 square cm

(32cm²)

Hope this helped,

Jon

7 0
3 years ago
Read 2 more answers
The composite figure is made up of a triangular prism and a pyramid. The two solids have congruent bases.
kolezko [41]
The correct question is
The composite figure is made up of a triangular prism and a pyramid. The two solids have congruent bases. What is the volume of the composite figure<span>?
</span>
the complete question in the attached figure

we know that
[volume of a cone]=[area of the base]*h/3
[area of the base]=22*10/2-------> 110 units²
h=19.5 units
[volume of a cone]=[110]*19.5/3------> 715 units³

[volume of a triangular prism]=[area of the base]*h
[area of the base]=110 units²
h=25 units
[volume of a a triangular prism]=[110]*25------------> 2750 units³

[volume of a the composite figure]=[volume of a cone]+[volume of a <span>a triangular prism]

</span>[volume of a the composite figure]=[715]+[2750]-------> 3465 units³

the answer is
The volume of a the composite figure is 3465 units³

4 0
3 years ago
Read 2 more answers
All I need is the answer I have legit no idea what I'm doing.
rusak2 [61]

Answer:

yes, you are right, that hexagon follows all of the guidelines

Step-by-step explanation:

wait no, plot points at the correct ones, then draw line straight down, then a reflection of the initial line. Draw points for the corresponding sides

5 0
3 years ago
A negative number raised to an odd power is______ negative.
egoroff_w [7]
It’s A. I hope that helps
8 0
3 years ago
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