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3 years ago

13

If you got 1 wrong on a test that had 5 questions, how did you do? I got a D

2 answers:

lianna [129]3 years ago

8 0

So 4/5 should be an 80 because if you multiply 5x20 and 4x20 you would get 80/100 but sometimes teachers make certain questions worth more points than others so maybe that is what happened but maybe talk to your teacher about it

laila [671]3 years ago

7 0

Answer:

80% (B)

Step-by-step explanation:

Divide the max grade (100) by 5 questions, which is 20.
If you got 4 correct (1 wrong), you need to multiply 20 by 4, which is 80%. 80-89's are Bs (well at least where I live)

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Find mCE<br><br> A. 40 DEGREES<br> B. 50 DEGREES<br> C. 75 DEGREES<br> D. 80 DEGREES

nordsb [41]

B. 50 degrees hope this helps

3 0

3 years ago

In the equation x^2+10x+24=(x+a)(x+b), b is an integer. Find algebraically all possible values of b

Vinil7 [7]

(x+4)(x+6)
(x+6)(x+4)

8 0

3 years ago

wlad13 [49]

One solution was found : t ≤ -13 (number 4)

Pull out like factors :

-3t - 39 = -3 • (t + 13)

Divide both sides by -3

Remember to flip the inequality sign:

Solve Basic Inequality :

Subtract 13 from both sides to get t≤−13

7 0

3 years ago

What’s does 7 correspond to . please help .

Whitepunk [10]

$\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}$

A. 21

Thanks
Hope it helps.

7 0

2 years ago

A cylinder and a cone have the same base and height. The cylinder can hold about 4,712 Centimeters cubed of sand. Jared says tha

klasskru [66]

Answer:

C. Jared is not correct because the cone and the cylinder have the same base and height so the cone holds 4,712/3≈1,571 centimeters cubed of sand.

Step-by-step explanation:

We have a cone and a cylinder with the same base and height.

We can express the volume of the cylinder as:

$V_{cyl}=\pi r^2H$

being r the radius and H the height.

The volume of the cone can be written as:

$V_{con}=\dfrac{\pi}{3}r^2H=\dfrac{V_{cyl}}{3}$

As they have the same base and height, we know that the volume of the cylinder is 3 times the volume of the cone.

If the volume of the cylinder is 4,712 cm^3, then the volume of the cone is:

$V_{con}=\dfrac{V_{cyl}}{3}=\dfrac{4,712}{3}\approx1571$

8 0

3 years ago

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