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3 years ago

Can someone help please

Mathematics

1 answer:

Natasha_Volkova [10]3 years ago

6 0

I think the answer is D because 73+62=135 and 180-135= 45 and angles 2 and 5 are alt. int. because of the backwards z shape.FYI, if u have a
backwards or forwards z or n, it is alt. int. in the angles that are INSIDE not outside.:)

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Volume: The base of a pyramid is a rectangle with a length of 3 centimeters and a width of 6 centimeters. If the height of the p

il63 [147K]

Answer:

72 cm³

Step-by-step explanation:

Volume of a pyramid = Area of base * height / 3

= 3 * 6 * 12/3 = 72 cm³

3 0

2 years ago

Suppose that a cyclist began a 476

mojhsa [17]

Well, we know the cyclist left the western part going eastwards, at the same time the car left the eastern part going westwards

the distance between them is 476 miles, and they met 8.5hrs later

let's say after 8.5hrs, the cyclist has travelled "d" miles, whilst the car has travelled the slack, or 476-d, in the same 8.5hrs

we know the rate of the car is faster... so if the cyclist rate is say "r", then the car's rate is r+33.2

thus $\bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{eastbound cyclist}&d&r&8.5\\
\textit{westbound car}&476-d&r+33.2&8.5
\end{array}\\\\
-----------------------------\\\\
\begin{cases}
\boxed{d}=8.5r\\\\
476-d=(r+33.2)8.5\\
----------\\
476-\boxed{8.5r}=(r+33.2)8.5
\end{cases}$

solve for "r", to see how fast the cyclist was going

what about the car? well, the car's rate is r + 33.2

6 0

3 years ago

Misty purchased a car several years ago for 21,459. The value of the car depreciated at a rate of 15% annually. What was the val

NeTakaya

Answer:

I dont have one

Step-by-step explanation: I just need these 50 points srry :((((((((((

3 0

2 years ago

A class has 15 boys and 16 girls. What is the probability that a boy's name is drawn at random?

melomori [17]

15 boys and 16 girls....total is (15 + 16) = 31

probability that a boys name is drawn : boys/total ppl = 15/31

6 0

3 years ago

(PLEASE ANSWER QUICK) Which data set could be represented by the box plot shown below?

Naily [24]

Answer:

Your answer is B

Step-by-step explanation:

The lowest number is 4, therefore it cannot be C.

Now you'll have to cross out numbers on both sides and your mean will be 9 because you'll have to add 8 and 10 together and 18 divided by 2 is 9.

Next, put a line between 8 and 10, now the 8 side is the lower quartile and the 10 side is the greater quartile.

For the lower quartile, add 7 and 7 together, divide 14 by 2 and the lower quartile is 7.

For the greater quartile, add 11 and 13 together, that's 24, divide 24 by 2 and that's 12.

Lowest: 4

Mean: 9

Lower quartile: 7

Greater quartile: 12

Highest: 14

Therefore your answer is B and not A or C.

8 0

3 years ago