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Sonbull [250]
3 years ago
14

Libby takes a test that has a total possible score of 800. Each question is worth the same

Mathematics
2 answers:
Makovka662 [10]3 years ago
5 0

Answer:

Step-by-step explanation:

800(1-3/100)

800(100-3)/100

800(97)/100

77600/100

776 is her score.

melamori03 [73]3 years ago
5 0

Step-by-step explanation:

come to that ggl m*eet link please

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JulijaS [17]

we have the points

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Using a graphing tool

see the attached figure  

the domain is the interval---------> [-1,2]

-1 \leq x\leq 2      

the range is the interval--------> [-3,3]

-3 \leq y\leq 3  

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6 0
3 years ago
Find the equation of the line that passes through the following points. Write the equation in slope-intercept form.
ra1l [238]

Answer:

The equation in the slope-intercept form will be:

y  = 1/4x - 7

Step-by-step explanation:

Given the points

  • (-4.-8)
  • (-8, -9)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-4,\:-8\right),\:\left(x_2,\:y_2\right)=\left(-8,\:-9\right)

m=\frac{-9-\left(-8\right)}{-8-\left(-4\right)}

m=\frac{1}{4}

We know that the slope-intercept of line equation is

y=mx+b

where m is the slope and b is the y-intercept

substituting m = 1/4 and the point (-4, -8) to find the y-intercept 'b'

y = mx+b

-8 = 1/4(-4)+b

-8 = -1 + b

b = -8+1

b = -7

so the y-intercept = b = -7

substituting m = 1/4 and b = -7 in the slope-intercept form of line equation

y = mx+b

y  = 1/4x + (-7)

y  = 1/4x - 7

Thus, the the equation in slope-intercept form will be:

y  = 1/4x - 7

6 0
3 years ago
Review 2019-2020 7 1 of 25
Lerok [7]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP!!! I AM DESPERATE BECAUSE MY CLASS IS IN A FEW MINUTES. Solve using statement reason.
svlad2 [7]

Answer:

Statement 1. P

Reason 1. Theorem: The measure of an external angle of a triangle is equal to the sum of the measures of the remote interior angles.

Statement 2. 132 = 3x + 54

Statement 3. x = 26

6 0
3 years ago
The measures of two complementary angles are (3y − 1)° and (4y + 7)°. Determine the value of y. (Type number only)
blondinia [14]

Answer:

y = 12

Step-by-step explanation:

Complementary angles sum to 90 , so

3y - 1 + 4y + 7 = 90

7y + 6 = 90 ( subtract 6 from both sides )

7y = 84 ( divide both sides by 7 )

y = 12

5 0
3 years ago
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