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3 years ago

3x=5*9 you have to multiply the numbers

Mathematics

2 answers:

myrzilka [38]3 years ago

8 0

Answer:

15 is the multiply of the number

Dvinal [7]3 years ago

7 0

5*9= 50
3x=50
16.67

i’m sure this is the right answer

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In the △PQR, PQ = 39 in, PR = 17 in, and the altitude PN = 15 in. Find QR.

Licemer1 [7]

Answer:

So, this triangle PQR can be broken into two right triangles, PNQ and PNR, with legs PQ = 39, PN =15, and QN = ? and PR = 17, PN = 15, and NR =? respectively.

Let's solve for what is easier first:

Since we know that 5-15-17 is a Pythagorean triplet, we can infer that NR is 5....like I said earlier, it is a right triangle, so this guess holds true.

Here comes the interesting part:

Now, we have one part of QR, which is QN.

The other part can be solved by using the Pythagorean theorem.

It is (39^2-15^2)^(1/2)..which gives you 36, the square root of 1296, which happens to be the difference between the squares of 15 and 39.

SO, QR = QN + NR

5+36 = 41

QR = 41.

Hope this helps!

3 0

4 years ago

Read 2 more answers

Give the most accurate name for this figure

anyanavicka [17]

Answer:

Equilateral Triangle

geometric shapes equilateral triangle

Equilateral triangles have all angles equal to 60° and all sides equal length.

All equilateral triangles have 3 lines of symmetry.

Isoscles Triangle

Isosceles triangle

Isosceles triangles have 2 angles equal and 2 sides of equal length.

All isosceles triangles have a line of symmetry.

Scalene Triangle

scalene triangle

Scalene triangles have no angles equal, and no sides of equal length.

Right Triangle

right triangle or right angled triangle

Right triangles (or right angled triangles) have one right angle (equal to 90° ).

Obtuse Triangle

obtuse triangle

Obtuse triangles have one obtuse angle (an angle greater than 90° ). The other two angles are acute (less than 90° ).

Acute Triangle

acute triangle

Acute triangles have all angles acute.

Only cause i dont see a figure

8 0

3 years ago

MO and PR are parallel lines. Which angles are alternate interior angles?

Kipish [7]

Answer:

It would be helpful if you show me the figure. Thanks :) !!

7 0

3 years ago

MATH

Scrat [10]

The sum of the lengths of the tables and the total length of overhang

give the length of fabric that Devon needs.

Response:

The total yards of fabric needed to make the table runners is<u> 12 yd</u>.

<h3>How can the given dimensions be added to obtain the length of fabric needed?</h3>

The given parameters are;

Length of the small tables = 6 feet

Length of the long tables = 10 feet

Length of overhang on each end = 8 inches

Number of small tables = 12

Number of long tables = 2 × 12 = 24

Required:

The yards of fabric needed to make the table runners.

Solution;

The total number of tables = 12 + 24 = 36

Length of overhang for each table = 8 inches + 8 inches = 16 inches

Sum of the length of the overhang = 36 × 16 inches = 576 inches

From the given unit conversion factors, we have;

Sum of the length of overhang = 576 inches ÷ 12 inch/feet = 48 feet

Length of the tables = 12 × 6 feet + 24 × 10 feet = 312 feet

Total length of table runner = 312 feet + 48 feet = 360 feet

Length of table runner needed = 360 feet ÷ 3 feet/yd = <u>120 yd.</u>

Learn more about unit conversion here:

brainly.com/question/4845674

4 0

2 years ago

When the equation a – bx = cx + d is solved for x, the result is x = .

pav-90 [236]

The <em><u>correct answer</u></em> is:

x=6/7.

Explanation:

First we find the general form by solving for x:

a-bx = cx+d

Subtract a from each side:

a-bx-a = cx+d-a

-bx = cx+d-a

Subtract cx from each side:

-bx-cx = cx+d-a

-bx-cx = d-a

We can divide both sides by -1:

(-bx-cx)/-1 = (d-a)/-1

bx+cx = -d+a

bx+cx = a-d

Factor out an x on the left:

x(b+c) = a-d

Divide both sides by (b+c):

(x(b+c))/(b+c) = (a-d)/(b+c)

x = (a-d)/(b+c)

In this equation, a = 5, b = 6, c = 8 and d = 17:

x = (5-17)/(6+8) = -12/14

This simplifies to -6/7.

8 0

3 years ago

Read 2 more answers