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Korolek [52]
3 years ago
9

There were 100 questions on a math test. If Jamal got 4 times as many right as he got wrong, what was Jamals score?

Mathematics
1 answer:
IgorLugansk [536]3 years ago
7 0

Jamal's score is 80

<u>Explanation:</u>

Given:

Number of questions = 100

Let w be the number of wrong answers

Let r be the number of right answers

According to question,

r = 4w

r + w = 100

Solving both the equations we get:

4w + w = 100

5w = 100

w = 20

If w = 20 then r = 4 X 20 = 80

Therefore, Jamal's score is 80

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Fleet charges $4 plus 0.80 per pound to ship each package. If the charge for shipping a package to new mexico was 17.60, how muc
Firlakuza [10]

Answer:

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Step-by-step explanation:

7 0
3 years ago
The tree in Anna’s backyard is 14.2 ft tall. How tall is this in inches? Do not round your answer.
balu736 [363]

Answer:

170.3999995671840081382039 inches.

Step-by-step explanation:

because 1 ft is equal to 11.9999999695200000186048 inches that's why 14.2 ft. are equal to 170.3999995671840081382039..

4 0
4 years ago
Find the slope of the line that goes through the points (-1,-4) and (9, 20). You must show all of your work in the space provide
Setler [38]

Answer:

12/5

Explanation:

To find the slope of the line, we'll need to use the below formula;

m=\frac{y_2-y_1}{x_2-x_1}

where x1 = -1, y1 = -4, x2 = 9, y2 = 20, so let's go ahead and substitute these values into our formula and solve for m;

m=\frac{20-(-4)}{9-(-1)}=\frac{20+4}{9+1}=\frac{24}{10}=\frac{12}{5}

5 0
1 year ago
Survi purchased 2 balls for 20.34, 8 pencils for Rs. 24.08, and a copy for Rs.5.08. She gave an Rs.50 note to the shopkeeper and
bagirrra123 [75]

Add the total of the 3 things bought and subtract from what they gave the cashier:

20.34 + 24.08 + 5.08 = 49.50 total

50 - 49.50 = 0.50

The shopkeeper kept 0.50

7 0
3 years ago
Angel LMN has vertices L(-2, 4), M(3, 2), and N(1,-3). Which describe the triangle?
Nadusha1986 [10]

Triangle LMN has two sides that are of the same size, therefore, triangle LMN is described as: isosceles triangle.

<h3>What is an Isosceles Triangle?</h3>

A triangle with two equal sides and two equal base angles is described as an isosceles triangle.

<h3>What is the Distance Formula?</h3>

The formula for finding the distance between two coordinate points is called the distance formula, and it is expressed as: d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}.

Given the vertices of the angles of triangle LMN as:

  • L(-2, 4),
  • M(3, 2),
  • N(1,-3)

Use the distance formula to find the length of each side of the triangle.

LM = √[(3−(−2))² + (2−4)²]

LM = √[(5)² + (−2)²]

LM = √29 units

MN = √[(3−1)² + (2−(−3))]²

MN = √29 units

LN = √[(−2−1)² + (4−(−3))²]

LN = √(−3)² + (7)²]

LN = √(9 + 49)

LN = √58 units

Isosceles triangles have two equal sides. Triangle LMN has two sides that are of the same size, therefore, triangle LMN is described as: isosceles triangle.

Learn more about isosceles triangle on:

brainly.com/question/11884412

#SPJ1

5 0
2 years ago
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