MATHEMATICS HIGH SCHOOL

What is the value of x?

Answers

Answer 1

Answer:

Answer:

x=70

Step-by-step explanation:

Since they are supplementary angles (180°)

45° + (2x-5)° = 180°

(2x-5)° = 180° - 45°

(2x-5)° = 135°

2x° = 135° + 5°

2x° = 140°

x° = 140/2°

x° = 70°

Answer 2

Answer:

Since they are supplementary angles (180°)

45° + (2x-5)° = 180°

(2x-5)° = 180° - 45°

(2x-5)° = 135°

2x° = 135° - 5°

2x° = 130°

x° = 130/2°

x° = 65°

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Let s = 13. What is the value of 3s?

A.
10

B.
16

C.
39

D.
313

Answers

it's c, because
s=13
3s=3*13↪39

Answer:

$\left[\begin{array}{ccc}2&90&10\n4&3&6\n1\left \{ {{y=32\int\limits^8_4 {x} \, dx } \atop {x=50}} \right. &8&6\end{array}\right] \n\n\n\n\n x_(123) (x)/(y) \n\n=(C.39)$

hope i helped

If the cells continue to double every 5 minutes, how long will it take to fill 3 additional bottles of the same size? minutes

Answers

Answer: 10 minutes.

Step-by-step explanation: Since the cells get double in every 5 minutes, so the number of bottles that will be filled in 5 minutes= 2. After another 5 minutes, these 2 bottles of cells will fill another two bottles. Now, out of these 4 bottles, one is old which was already filled with cells. So, no. of new bottles filled=3 in 10 minutes.

So, it will take 10 minutes to fill another 3 bottles of the same size.

The answer is 10 minutes

A toy was origny 35 fillers is now naked 28 dollars what percentage was the toy marked down

Answers

$(7)/(35) * 100 \% = 20\%$

discount = 35-28 = 7

What point on the number line is 1/4 of the way from the point -2 to the point 5

Answers

Step-by-step explanation:

From -2 to 5 is a distance of 7 units

1/4 of 7 units = 7/4

add this amount to - 2 to find the point - 1/4

There are about 200 calories in 50 grams of Swiss cheese Willie ate 70 grams of Swiss cheese about how many calories did he eat

Answers

Hi!

We will solve this using proportions, like this:

200 calories in 50 grams

x calories in 70 grams

_____________________

x = (200*70)/50

x = 14000/50

x = 280

He ate 280 calories.

Hope this helps!

He consumed 280 calories.

4+2(5*7) please help me do this, km in year 10!

Answers

$4+2\cdot(5\cdot7)\n\nfirst:5\cdot7=35\n\n4+2\cdot35\n\nnext:2\cdot35=70\n\n4+70\n\nfinish:4+70=74$

First do 5*7 = 35
This is what the equation looks like then 4+2(35)
Since the 2 is next to the ( ) that means you multiply. So 35*2 = 70
Then the last part is 70+4 = 74 !

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