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NNADVOKAT [17]
3 years ago
7

Maria took a math test last week. The table shows how many questions she answered correctly and incorrectly.

Mathematics
1 answer:
pashok25 [27]3 years ago
5 0

Answer:

Step-by-step explanation:

Maria had a test with 20 questions

if 17 are correct,

20 questions................................100%

17 questions................................?%

she was 85% right

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What is the value of x in the equation 3x-1/9=18 when y equals 27
anygoal [31]

Answer: 163/27

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x + -1/9 = 18

Step 2: Add 1/9 to both sides.

3x + -1/9 + 1/9 + = 18 + 1/9

3x = 163/9

Step 3: Divide both sides by 3.

3x/3 = 163/9 over 3

x = 163/27

8 0
2 years ago
Geometry (19)<br><br> Study Guide <br><br> My answer: x = 11 so 2(11) - 6 = 16, FG = 16
jok3333 [9.3K]
I think you meant to say n = 11. If so, then you are correct and it leads to the proper length for FG, which is 16 units. Nice work. 
3 0
3 years ago
Which graph represents the solution set for the system 2x + 5y ≤ 9 and 3x + 5y ≤ 9?
Brut [27]

Answer:

The answer is graph B. Have a nice day!

Step-by-step explanation:

3 0
2 years ago
A Triangle has an area of 36cm^2. The base and height are scaled by a factor of 5. What is the area of the resulting triangle?
Finger [1]

Answer:

Area of resulting triangle  will be 900 cm^2.

Step-by-step explanation:

When sides of  any polygon if scaled by a factor of k

then area is scaled by k^2

According to the above statement

therefore  here in the question since area of original triangle was 36cm^2

and both  base and height are scaled by a factor of 5.

therefore area of scaled triangle will be 5^2 times of the original

that is 25 x 36 which gives 900 cm^2

So area of resulting triangle will be 900 cm^2


7 0
3 years ago
What is the slope of the equation below?<br> 2y = 10x – 8<br> A.2<br> B.-8<br> C.10<br> D.5
blondinia [14]

Answer:

D) 5

Step-by-step explanation:

Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Divide 2 from all terms within the equation:

(2y)/2 = (10x - 8)/2

y = (10x)/2 - (8)/2

y = 5x - 4

Note the slope-intercept form:

y = mx + b

y = y

x = x

m = slope

b = y-intercept.

In this case, 5 is in place of m, or your slope.

D) 5 is your answer.

~

8 0
3 years ago
Read 2 more answers
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