What percent of 200 is 90

Answers

Answer 1

Answer: In math
"of" means x
"is" means =

x% of 200 is 90
x * 200 = 90
x = 90/200 = .45

Multiply by 100 to convert to percent

.45 = 45%

90 is 45% of 200

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Alden fills his back pack with 0.45 kg of apples,0.18 kg of cheese, and a water bottle that weighs 1.4 kg. How heavy are the contents?

Answers

.45+.18+1.4=2.03 kilograms.

2.03 kg because if you add all it together.
~JZ

6. Describe how you would make 250 mL of a 4.5 M silver nitrate solution. SHOW ALL CALCS.

Answers

Answer:

Dissolve 190 grams of silver nitrate in 250 mL of water.

Step-by-step explanation:

First, find the moles of AgNO₃ from the volume and concentration.

0.250 L × 4.5 mol/L = 1.125 mol

Next, find the mass of AgNO₃ using the molar mass.

1.125 mol × 170 g/mol = 191.25 g

Rounded to two significant figures, dissolve 190 grams of silver nitrate in 250 mL of water.

What is the mixed number for 18/15

Answers

15 goes into 18 once with 3 remainder.

18/15-15/15=3/15=1/5

So the answer is:
$1 (1)/(5)$

Write the linear equation 2x + 3y = 12 in slope intercept form .

Answers

idk this one REEE! i’m so sorry i can’t help :(

1. subtract 2x from both sides to get 3y=-2x+12
2. divide 3 from both sides to isolate “y” to get y= -2/3x+ 4

A bag contains 8 blue marbles, 6 green marbles, 12 yellow marbles, and 10 orange marbles. A marble is drawn at random from the bag. What is the probability that the marble drawn will not be blue?

Answers

the answer is 7/9.

when you originally solve it, its 28/36. that simplified is 7/9.

Answer:

7/9

Step-by-step explanation: I took the test

True or false
A trapezium is a parallelogram

Answers

true
There is some disagreement whether parallelograms, which have two pairs of parallel sides, should be regarded as trapezoids. Some define a trapezoid as a quadrilateral having only one pair of parallel sides (the exclusive definition), thereby excluding parallelograms.

No trapezoid is not a parallelogram.

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