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pochemuha
2 years ago
5

NEED HELP PLZ! Find 4B.

Mathematics
1 answer:
guapka [62]2 years ago
4 0

Answer:

D or the fourth option

Step-by-step explanation:

because you just multiply the numbers in the bracket by 4. so it will be 8, -16, 20, -4.

I hope this helped. :)

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Write the equation of a line parallel to the y-axis and passing through the point<br>(-3,-4).​
Daniel [21]

Answer:

x = -3 is the answer. Writing this cause brainly requires a 20 character answer.

8 0
2 years ago
Hong rented a truck for one day. There was a base fee of $20.95, and there was an additional charge of 90 cents for each mile dr
Goryan [66]

Answer: Hong drove the truck for 294 miles.

Step-by-step explanation:

Let m represent the number of miles for which he drove the truck.

There was a base fee of $20.95, and there was an additional charge of 90 cents for each mile driven. It means that the expression for the cost of driving the truck for m miles in a day is

20.95 + 0.9m

Hong had to pay $285.55 when he returned the truck. It means that

20.95 + 0.9m = 285.55

0.9m = 285.55 - 20.95

0.9m = 264.6

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m = 294 miles

5 0
3 years ago
If the value of b is 7 , then what is the value of the expression -3b2 + 25 = ?
Katarina [22]
Hello there!

Evaluate
-3b² + 25
For b = 7
-3(7)² + 25
-3(49) + 25
-147 + 25
= -122

I hope that helps!
6 0
3 years ago
Find the standard deviation of the sample ($23.14, $20.12, $56.21, $34.56, $43.74)
Shkiper50 [21]

Answer:

S.D=61.824137824783

Step-by-step explanation:

6 0
3 years ago
V = 1/3 bh for b the base of the cone
ch4aika [34]

Answer:

\huge\boxed{b=\dfrac{3V}{h}}

Step-by-step explanation:

V=\dfrac{1}{3}bh\qquad\text{multiply both sides by 3}\\\\3V=3\!\!\!\!\diagup^1\cdot\dfrac{1}{3\!\!\!\!\diagup_1}bh\\\\3V=bh\qquad\text{divide both sides by}\ h\neq0\\\\\dfrac{3V}{h}=\dfrac{bh}{h}\\\\\dfrac{3V}{h}=b\to \boxed{b=\dfrac{3V}{h}}

6 0
3 years ago
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