MATHEMATICS HIGH SCHOOL

When something is parallel to each other there what

Answers

Answer 1
Answer:

Answer:

they are 2 lines that look ;like this =

Step-by-step explanation: the 2 lines of the equal sign are parallel
Answer 2
Answer: they are side by side like two lines next to each other

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a type of brass is made by combing copper and zinc in a 8:2 ratio. if you want to make 2kg of brass, how many grams of copper do you need

Answers

Answer:

2.5gramsofCopper

Step-by-step explanation:

• Total ratio = 8 + 2 = 10

Let the grams of copper be y

{ \tt{ (8)/(10) * y = 2 }} \n \n { \tt{8y = 2 * 10}} \n { \tt{8y = 20 \: \: \: \: \: \: \: \: \: }} \n { \tt{y = 2.5}}

Grams of copper = 2.5 g

Divide 7/15 by 3/5

A. 7/9
B. 75/21
C. 21/75
D. 7/25

Answers

7/15 ÷ 3/5 =
= 7/15 * 5/3 =
= 7/3 * 1/3 =            (after simplifying)
= 7/9

Correct answer: A

Just keep in mind that dividing one fraction by another fraction is as much as multiplying the same fraction by an inverse of the second one.
(7)/(15) / (3)/(5)=(7)/(15) * (5)/(3)=(7)/(3 * \not5) * (\not 5)/(3)=(7)/(3 * 3)=(7)/(9) \Rightarrow \hbox{the answer is A}

Bobby borrowed 500 at 12 percent simple annual interest . he paid back $680 pay off loan . how many years did it take Bobby to pay the loan ?

Answers

Basing on the data provided, if Bobby borrowed 500.00 and has an annual interest of 12% per year. 12% of the borrowed amount is equal to 60.00. Since he paid $680.00 that means that 680.00 – 500.00 = 180.00 worth of interest and since he pays an annual of 60.00 per year for the interest ergo, the answer is 3 years.

Answer:

the answer is three years

Step-by-step explanation:

Plz answer this question...

Answers

Hello,

1) draw [AB]

2) draw mes (BAB')=78° (|AB|=|AB'| (distance))
draw the circle center B' passant by A.
3)C=middle [BB']

4) draw the half circle with [BB'] as diameter.

5) Intesection of cercle =>D

explain: any right triangle is inscribed in a semicircle

Rem: 78+90=168 and 360-168=192

There are 10 vehicles in a parking lot: 3 SUVs and 7 trucks. What is the probability that any 7 randomly chosen parking spots have 2 SUVs and 5 trucks OR 3 SUVs and 4 trucks?

Answers

We have to calculate the probability that any randomly choosen parking spots have 2 SUVs and 5 trucks or 3 SUVs and 4 trucks. We will use the formula with combinations: P = ( 3C2 * 7C5 ) / ( 10C7) + ( 3C3 * 4C7) / ( 10C7). For example: 10C7 = 10! / 7!*(10-7)! = 10!/7!*3!= 10*9*8/3*2*1 = 120, etc. P = ( 3 * 21 ) / 120 + ( 1 * 35 ) / 120 = 63 / 120 + 35 / 120 = 98 / 120 = 0.8166. Answer: The probability is 0.8166 or 81.66%.

For which equation x=5 be a solution ?a. 3 x +6=21
b. 12 - 2 x =13
c. 7+6 x+27
d. 4 x - 7=27

Answers

The correct answer is A. 3x+6=21

Answer:

a) 15+6 =21

Step-by-step explanation:
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