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Arada [10]
2 years ago
12

An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triang

le is x. Another side is 13 more than three times the length of the bottom of the triangle. The last side is 11 more than the bottom of the triangle. Write and simplify an expression for the perimeter of the triangle.
Mathematics
1 answer:
Fed [463]2 years ago
4 0

Answer:

나는 모른다

Step-by-step explanation:

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Tony’s Electronics is marking down the price of a TV 23% from the original price of $175. Which expression can be used to find t
Arlecino [84]

Answer:

The sale price is \$134.75

The expression is \$175(0.77)

Step-by-step explanation:

we know that

The sale price is equal to subtract the discount price from the original price

The discount price is equal to multiply the original price by the percent discount in decimal form

Let

x ----> the sale price

y ---> discount price

23\%=23/100=0.23 ----> percent discount in decimal form

y=\$175(0.23)=\$40.25

x=\$175-y

substitute

x=\$175-\$40.25=\$134.75

therefore

the expression is

175-0.23(175)\\175(1-0.23)\\175(0.77)

3 0
2 years ago
Read 2 more answers
Joseph built a model of a pyramid where
monitta

Answer:

7

Step-by-step explanation:

\sqrt{49}  = 7

4 0
2 years ago
ABCD is a parallelogram. If ad = 2x + 10 and CD = 4x - 20, for what value of x will abcd be a rhombus
dimaraw [331]

Answer:

15

Step-by-step explanation:

All sides of a rhombus are equal, so

2x+10=4x-20 \\ \\ 10=2x-20 \\ \\ 2x=30 \\ \\ x=15

3 0
8 months ago
Only square matrices have multiplicative identities. True or false
Alex

Answer:

true.

Step-by-step explanation:

8 0
3 years ago
A circle has an area of 78.5 square inches. What is the radius of the circle?
Rainbow [258]

Answer:

\sqrt{24.98732606  Decimal Form:

4.99873244

Step-by-step explanation:

geometry is the worst. but i have a way to remember how to find the area. (Apple Pies are too --> A=πr^2 --> area = pie×radius^squared) so basically you sub in 78.5 in for area and then you solve for r.

Hope i helped kinda lol

6 0
3 years ago
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