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sergij07 [2.7K]
3 years ago
9

What is the value of x in the figure at the right

Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
We can know from the pic
2x+38=90
so, x=26
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If you go to school 5 days a week are the weekends your technical days off?
Sati [7]

Answer:

Yes! The weekend is time where you get a break from school/homework and relax! :)

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3 years ago
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
ivanzaharov [21]

Answer:

The value of x is 7 ⇒ 1st answer

Step-by-step explanation:

* Lets revise a fact in the circle

- The two tangents drawn from a point out side the circle are equal

∵ RSTUV is circumscribed about a circle

∴ Each side of the pentagon is a tangent to the circle

- Look to the attached figure to know how we will solve the problem

- Each tangent divided into two parts

# RS = x + y

∵ RS = 8

∴ x + y = 8 ⇒ (1)

# RV = x + n

∵ RV = 12

∴ x + n = 12 ⇒ (2)

- Subtract (2) from (1)

∴ y - n = -4 ⇒ (3)

# ST = y + z

∵ ST = 12

∴ y + z = 12 ⇒ (4)

# TU = z + m

∵ TU = 15

∴ z + m = 15 ⇒ (5)

- Subtract (5) from (4)

∴ y - m = -3 ⇒ (6)

# UV = m + n

∵ UV = 9

∴ m + n = 9 ⇒ (7)

- Add (6) and (7)

∴ y + n = 6 ⇒ (8)

- Lets solve equation (3) and equation (8) to find y

∵ y - n = -4 ⇒ (3)

∵ y + n = 6 ⇒ (8)

- Add (3) and (8)

∴ 2y = 2 ⇒ divide two sises by 2

∴ y = 1

- Lets substitute the value of y in equation (1)

∵ x + y = 8 ⇒ (1)

∵ y = 1

∴ x + 1 = 8 ⇒ subtract (1) from both sides

∴ x = 7

* The value of x is 7

3 0
3 years ago
find the perimeter of a trapezoid with sides that measure 16.1 inches, 6.32 inches, 8.0 inches, and 13 inches.
seraphim [82]
Perimeter = 16.1 + 6.32 + 8.0 + 13 = 43.42 inches
5 0
3 years ago
Jonah knows that mr. Robinson needs 14 tablets for a week supply of anti-inflammatory drug mr. Robinson is going on vacation and
Flura [38]

<em>Answer:</em>

<em> 56 tablets</em>

<em>Step-by-step explanation:</em>

Jonah knows that Mr. Robinson needs 14 tablets for a week's supply of an anti-inflammatory drug.

<em>Mr. Robinson is going on vacation and needs a 4-week supply.  </em>

<em>So </em><u><em>multiplying 4 with the weekly supply</em></u><em> will yield the required result.  </em>

So, number of tablets Jonia needs to fill is,

=4\times 14

=56

<em>Therefore, Jonah needs </em><u><em>56 tablets</em></u><em> in order to fill his prescription</em>

6 0
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It takes 5/8 can of paint to paint a wall. How many complete walls can I paint with 5 1/2 cans of paint? How much will be left o
Masja [62]

Answer:

8 complete walls with 1/5 can of paint remaining

Step-by-step explanation:

5 1/2 ÷ 5/8  =  11/2 × 8/5  =  44/5  or 8 4/5

4 0
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