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Masja [62]
2 years ago
8

Xio just took a math test with 25 questions, each worth an equal number of points. The test is worth 100 points total. If a scor

e of 83 points earns a grade of B, how many questions would Xio need to get right to get a B on the test?
Mathematics
2 answers:
Talja [164]2 years ago
6 0
Each question is worth 4 points (100/25=4)
Therefore, when you divide 83 by 4, you get 20.75, as as he's aiming to get a B, this needs to be rounded up to 21.
Xio would need to get 21 questions right to get a B, hope this helps :)
enyata [817]2 years ago
3 0


So, Xio wants a B for his math test.

Well, each question is worth 4 points

You divide 83 by 4 which will equal 20.75. (Round up)

If he wants the B for his math test, Xio will need to get 21 questions correct.

Hope I helped!


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Can anyone please help with these 2 questions. If you can, please show step-by-step.
valentinak56 [21]

Answer:

1. x = 21

2. m∡ABC =  51°

Step-by-step explanation:

First problem, solve for x

the sum of inside angles of a triangle is 180

also the supplementary angle for L = 180 - 100 is 80°

now you can add all angles

80 + 2x - 11 + 2x + 27 = 180

4x + 96 = 180

4x = 84

x = 21

Second problem, solve for m∡ABC

the sum of inside angles of a triangle is 180

also the supplementary angle for C = 180 - 148 is 32°

now you can add all angles

31 + 2x - 15 + x - 5 = 180

3x + 12 = 180

3x = 168

x= 56,

now solve for  m∡ABC = (x - 5)° = (56 - 5)° = 51°

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The domain is the x values, so the right side of the circle are the x’s.
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3 years ago
Find value of x,yand z​
lisov135 [29]

Answer:

X = 90 degrees

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Step-by-step explanation:

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3 years ago
Finish the steps below to write a quadratic function for the parabola shown. Use the vertex form, f(x) = a(x – h)2 + k, and subs
Marta_Voda [28]
We have

f(x) = a(x – h)²<span> + k
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</span><span>substitute in the values for h and k
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</span><span>Use another point and substitute in values for x and f(x). 
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</span><span>Solve for a.
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f(x)= 2(x – 5)² + 3-------- > 2[x²-10x+25]+3=2x²-20x+50+3=2x²-20x+53
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8 0
3 years ago
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suppose you deposit $2,475 in a savings account that earns 6.25% simple interest per year. How much simple interest would be ear
Nikolay [14]

$116.02 interest will be earned in 9 months

Step-by-step explanation:

The formula for simple interest is given by:

I = Prt

Here

P is the initial amount

r is the interest

t is the time measured in years

Given

P = $2475

r = 6.25% = \frac{6.25}{100} = 0.0625

t = 9 months

Converting time into year by dividing by 12

t = \frac{9}{12}\ years = 0.75\ year

Putting the values in the formula

I = 2475 * 0.0625 * 0.75\\I = 116.0156

Rounding off to nearest hundredth

I = $116.02

Hence,

$116.02 interest will be earned in 9 months

Keywords: Interest, simple interest

Learn more about simple interest at:

  • brainly.com/question/774670
  • brainly.com/question/763150

#LearnwithBrainly

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