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SOVA2 [1]
3 years ago
15

To pass her test, Tori needs to answer at least 65% of the questions correct. If there were 60

Mathematics
2 answers:
aliina [53]3 years ago
8 0
1) change 65% to a decimal = .65

2) .65 • 60 = 37.2 questions need to be right

3) since she got 42 correct, that is greater than 37.2, so she passed.

OR

1) 42/60 = 0.7

2) 0.7 to a percent = 70%

3) since she got a 70% on the test, she passed.
frutty [35]3 years ago
7 0

Step-by-step explanation:

To obtain score of 80% on entire exam means the student have to answer

(80/100)×80 = 64 correct answers

Student have already answered 75% of the first 60 questions correctly meaning

(75/100)×60=45 correct answers from first 60 questions

Remaining correct answers s/he have to answer

64-45=19

So from remaining 20 questions s/he have to answer 19 correct questions that is

20 × (x/100) = 19

x = 19 ×(100/20)

x = 95%

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Some one cans help me to find the answer about the whole shape and tell me how do you get the answer step by step please I need
Naya [18.7K]
First let’s call the square shape A and the rectangle shape B.

To find the area of shape A you do 24 x 24 = 576cm squared

To find the area of shape B you do 40 x 24 = 960cm squared

To find the total area you just add the two areas together
576 + 960 = 1536cm squared
4 0
3 years ago
write the equation in slope intercept form for the line that passes through (-2,2) and is parallel to 2x+4y=16
ratelena [41]

Answer:

<h3>Step 1 - Find the gradient of 2x + 4y = 16</h3>

2x + 4y = 16

4y = 16 - 2x

y = 4 - 1/2x

gradient = -1/2

<h3>Step 2 - Find the Equation</h3>

y - y1 = m(x - x1)

m = gradient, (x1, y1) = (-2,2)

y - 2 = -1/2 (x + 2)

y - 2 = -1/2x - 1

y = -1/2x + 1 → ANSWER

Hope it helps!

7 0
2 years ago
The mathematics department sponsors Math Family Fun Night every year.  In the first year, there were 35 participants.  In the th
Korolek [52]

1,35     3,57

 

slope = (57 - 35)/(3 - 1) = 11

 

y = 11 x + b

 

35 = 11 (1) + b

b= 24

 

y = 11x + 24

 

y = 11(5) + 24 = 79

3 0
3 years ago
Jordan has 3 blue marbles and 8 red marbles. What is the ratio of blue marbles to red marbles?
fenix001 [56]

Answer:

The ratio of blue to red marbles is 3 to 8.

Hope this helps :) have a good day!

8 0
2 years ago
Read 2 more answers
A warehouse floor measures 30 feet by the 48 feet . The owner who she’s to cover it with new flooring. If the flooring costs $1.
diamong [38]

Answer:

Cost = 1440 × 1.86

Cost = $2678.4

Step-by-step explanation:

The flooring costs $1.86 per square foot, or each foot squared.

First, find the total area covered by the warehouse floor.

Do this by multiplying the width of the floor by the length to find the area.

A = 30 × 48

A = 1440 feet²

Now, one square foot costs $1.86. Therefore, finding how much 1440 square feet costs will look as follows:

Cost = 1440 × 1.86

Cost = $2678.4

6 0
3 years ago
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