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3 years ago

What are two lines that intersect to form right angles called?

Mathematics

2 answers:

Anna35 [415]3 years ago

6 0

C, perpendicular. it’s shaped kinda like a cross

Svet_ta [14]3 years ago

3 0

C because it’s c trust me

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PolarNik [594]

Question 1:

5z – 9 = 36

5z = 45

z = $\frac{45}{5}$

z = 9

Hence, the answer is D.

Question 2:

5(2z + 4) = 0

10z + 20 = 0

10z = -20

z = $\frac{-20}{10}$

z = -2

Hence, the answer is A.

Question 3:

4a + 3(a + 1) = 24

4a + 3a + 3 = 24

7a = 21

a = $\frac{21}{7}$

a = 3

Hence, the answer is B.

Question 4:

3(4x + 5) = 12

12x + 15 = 12

12x = 12 - 15

12x = -3

x = $\frac{-3}{12} = - \frac{1}{4}$

Hence, the answer is A.

Question 5:

4x – 8 – 4x = 9

-8 ≠ 9

Hence, the answer is A.

8 0

3 years ago

Read 2 more answers

Helen is preparing candy bags for the children at a party. she has 12 flavors of lollipops, 4 types of candy bars, and 6 flavors

castortr0y [4]

Your answer would be 48

3 0

2 years ago

PLZ HELPP MEE DUE TONIGHT!!!!!!!!!!!!!

KATRIN_1 [288]

We know that
x²+px−35=0-------> has one root that is equal to 7
so
substitute x=7 in the equation
7²+p*7−35=0
49+p*7−35=0
14+p*7=0
p=-14/7------> p=-2

the answer Part a) is
the value of the coefficient p is -2

Part b) Find the other root
x²+px−35=0-----> x²-2x−35=0

using a graph tool-------> to resolve the second order equation
see the attached figure

the other root is
x=-5

the answer part b) is
 the value of the other root is -5

3 0

3 years ago

A number is increased by five and squard

guajiro [1.7K]

5+n with a small 2 in the top right hand corner of the n

3 0

3 years ago

Read 2 more answers

The volume of a cylinder can be expressed as V=πr2h, where r is the radius, and h is the height of the cylinder.

olga_2 [115]

Note: You missed to add the answer choices, so I am solving the overall procedure to determine the radius of the cylinder so that you could easily figure out the right choice.

Answer:

The radius of the cylinder:

$r\:=\:\sqrt{\frac{v}{\pi \:h}}$

Step-by-step explanation:

The volume of a cylinder is represented by the formula

V=πr²h

here

r is the radius

h is the height

The radius of the cylinder can be computed using the formula of the volume of a cylinder

V = πr²h

r² = V / πh

Taking square roots

$r\:=\:\sqrt{\frac{v}{\pi \:h}}$

Thus, the formula of the radius of the cylinder.

$r\:=\:\sqrt{\frac{v}{\pi \:h}}$

Therefore, the radius of the cylinder:

$r\:=\:\sqrt{\frac{v}{\pi \:h}}$

7 0

3 years ago