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Evgesh-ka [11]
3 years ago
8

Which of the following expressions is equivalent to a(4-a)-5(a+7)

Mathematics
2 answers:
MissTica3 years ago
5 0

Answer:

-a² - a - 35

Step-by-step explanation:

a(4 - a) - 5(a + 7)

(4a - a²) - (5a + 35)

4a - a² - 5a - 35

-a² - a - 35

Licemer1 [7]3 years ago
4 0

Answer:

dude give answer choices


Step-by-step explanation:


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Simplify the expression (t^-2)^6
Rainbow [258]

Answer:

t^-12

Step-by-step explanation:

you multiply the -2 and 6.

5 0
3 years ago
The length of a rectangle is 6 more than twice its width. The
Whitepunk [10]

Answer:

The answer is option (C). The width of the rectangle=6 inches

Step-by-step explanation:

<em>Step 1: Determine the dimensions of the rectangle</em>

width=w

length=w+6

<em>Step 2: Determine the perimeter of the rectangle</em>

P=2(L+W)

where;

P=perimeter

L=length

W=width

In our case;

P=36 inches

L=w+6

w=w

replacing;

2(w+w+6)=36

2(2 w+6)=36

4 w+12=36

4 w=36-12=24

4 w=24

w=24/4=6

W=6 inches

L=6+6=12 inches

The width of the rectangle=6 inches

4 0
4 years ago
I NEED IT ASAP AS WELL THANKS!
Musya8 [376]

Answer:

B, The initial number of bacteria increases at a rate of 24% each day.

Step-by-step explanation:

I think the answer is B because it is the one that closely matches the problem. 312 is multiplied by 1.24 with an exponent. Just eyeballing it, it's multiplied by itself and then an increase of 24%. Also, none of the other statements seem to be correct, D not even making sense in the scope of the problem. Hope this helps, good luck.

5 0
3 years ago
Read 2 more answers
6.<br> Domain:<br> Range:<br> can someone please help me
ra1l [238]

Answer:

Domain: the set of possible values of the independent variable or variables of a function.

Range: the set of values that a given function can take as its argument varies.

Step-by-step explanation:

Hopefully this helps ik it was confusing to me too in pre-algebra when i was in 8th grade

have a great day

4 0
3 years ago
What expressions are equivalent to 3x+5x+8 and 4x+4x
Arturiano [62]
It’s 8x+8.
=8x :))))))))
4 0
3 years ago
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