MATHEMATICS HIGH SCHOOL

Anna and Bill share a 16-ounce box of cereal. By the end of the week, Anna has eaten 5
8
of the box, and Bill has eaten
1
4
of the box of cereal. How many ounces are left in the box?

Answers

Answer 1
Answer:

Answer:

2 ounces

Step-by-step explanation:

1 = 5/8 - 1/4 = 1/8

16 x 1/8 = 2 oz
Answer 2
Answer:

Answer:

2 ounces left

Step-by-step explanation:

if anna ate 5/8 of the box, and Bill has eaten 1/4 of the box, then in total they’ve eaten 7/8 if the box (1/4 turns into 2/8 + 5/8)

1/8 of the box is left and 1/8 of 16 is 2. so 2 ounces would be left

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Sidney bought two magazines that were each $5. If Sidney paid a total of $10.70 for the two magazines with tax,what percent tax did she pay for her purchase?

Answers

10 x 1.07 = $10.70
therefore, she paid 7% tax for her purchase.

Answer:

7% tax

Step-by-step explanation:

[1,07][10] = 10,7

An extra 7¢ were added to that, therefore her tax percentage was 7%.

I am joyous to assist you anytime.

How do you find the value of x or y so that the line through the points has a given slope?

Answers

     We can make a linear equation system to deduce it.

\left \{ {{y_1=ax_1+b~(I)} \atop {y_2=ax_2+b~(II)}} \right. \n \n (II)-(I): y_2-y_1=a(x_2-x_1) \n \n \boxed {a= (\Delta x)/(\Delta y) }
ok so if you had the points
(x1,y1) and (x2,y2)
slope=rise/run so
slope=(y2-y1)/(x2-x1)

List the intervals on which f is increasing.

Answers

Answer:

-7<x<7

Step-by-step explanation:

Which of the following could be the third side of an obtuse triangle with the other two side lengths of 6 and 7.5
8
9
10

Answers

Pythagorean theorem.
a^2+b^2=c^2
6^2+7^2=c^2
36 + 49 = c^2
85 = c^2
sqrt of 85 = 9.22

So the best answer would be C. 9

Which of the following is not in the domain of f(x) = log(x + 4)?
-4
-2
0
4​

Answers

Answer:

-4

Step-by-step explanation:

The number inside of the (  ) for a log must be greater than 0.

Suppose that an object is dropped from a height of h
meters and hits the ground with a velocity of
v
meters per second. Then
=v19.6h
. If an object is dropped from a height of
15.4
meters, with what velocity does it hit the ground?
Round your answer to the nearest tenth.

Answers

make hours to seconds to match meters
19.6*3600=70560 seconds
And is dropped from a height of 15.4 meters then the velocity will be
15.4m/70560s = 0.0002182539m/s
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What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?