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jeyben [28]
3 years ago
11

Spent Which statement is correct about the time Mr. Lopez's

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

Answer:Most students spent an hour or less studying for the exam.

Step-by-step explanation:

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If correct I’ll mark brainlist
tekilochka [14]

Answer:

(0,1)

Step-by-step explanation:

The line meets the y-axis at the point (0,1)

6 0
3 years ago
Operations with radical expression
lord [1]

Hello from MrBillDoesMath!

Answer:

41 sqrt(3)

Discussion:

My first reaction to the problem was:

sqrt(27) = sqrt ( 3 * 9) = 3 sqrt(3)    and

sqrt(48) = sqrt (3*16)  = 4 sqrt(3).

So...

7 * sqrt(27) +  5 sqrt(48) =

7 * (3 sqrt(3)) + 5 * (4 sqrt(3)) =

21 sqrt(3) + 20 sqrt(3) =

41 sqrt(3)

Regards,  

MrB  

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


7 0
3 years ago
Solve by factoring<br> k2 +6k =16
Black_prince [1.1K]

Answer:

k=2   k=-8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The height of a triangle is 4 inches greater than twice its base. The area of the triangle is no more than 168 in.² which inequa
Gennadij [26K]
<h2>Answer:</h2>

Correct option: B

<h2>Step-by-step explanation:</h2>

When we say a is no more than b, we express this in a mathematical language as follows:

a\leq b

In this inequality, we know that the area of the triangle is no more than 168 in². In other words, if the area is named A, then:

\mathbf{(1)} \ A\leq 168

We also know that the height of a triangle is 4 inches greater than twice its base. Translating this in a mathematical language:

\mathbf{(2)} \ h=2b+4 \\ \\ h:height \ of \ the \ triangle \\ \\ b:base \ of \ the \ triangle

From geometry, we know that the area of a triangle is given by:

\mathbf{(3)} \ A=\frac{bh}{2}

Matching (1), (2) and (3):

\frac{bh}{2}\leq 168

Since the length of the base of the triangle is x, then b=x

\frac{x(2x+4)}{2}\leq 168 \\ \\ Common \ factor \ 2: \\ \\ \frac{2x(x+2)}{2}\leq 168 \\ \\ \boxed{x(x+2)\leq 168}

Finally, correct option is B.

8 0
3 years ago
First answer to be correct gets brainliest :) where are my smarties?!! I need help!!!
egoroff_w [7]
Answer: 24
1032÷43 = 24
6 0
3 years ago
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