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Novosadov [1.4K]
2 years ago
5

Math question angles

Mathematics
1 answer:
Karolina [17]2 years ago
8 0

Answer:

m∠1 = 52°

m∠2 = 38°

Step-by-step explanation:

x + 33 + 2x = 90

3x = 57

x = 19

m∠1 = 19 + 33 = 52°

m∠2 = 2 ( 19 ) = 38°

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Christine bought 4 CDs that were each the same price. Including sales tax, she paid a total of $54.40. Each CD had a tax of $1.3
Basile [38]

Answer:

12.30

Step-by-step explanation:

1.30x4=5.20

54.40-5.20=49.20

49.20/4= 12.30

7 0
2 years ago
For the function shown below, find f(3): f(x)=2x^4-8x^2+5x-7
a_sh-v [17]

We have been given the function

f(x)=2x^4-8x^2+5x-7

We have to find the value of f(3). In order to find the same, substitute x=3 in the given function.

f(3)=2(3)^4-8(3)^2+5(3)-7

Now, we simplify this step by step.

First of all 3^4=81\text{ and }3^2=9. Thus, we have

f(3)=2\times 81 -8\times 9+5(3)-7

Now, we can easily simplify it by PEMDAS

f(3)=162-72+15-7

f(3)=98


Therefore, the value of f(3) is 98.

3 0
3 years ago
Read 2 more answers
-(6x+6)+2=-6x-3 please solve
makkiz [27]

Answer:

There is no solution.

Step-by-step explanation:

To solve, use the order of operations. Follow them until you solve for x or just numbers remain.

-(6x + 6) + 2 = -6x - 3

-6x - 6 + 2 = -6x - 3

-6x - 4 = -6x - 3

-4 = -3

The answer is no solution since this is a false statement.

3 0
3 years ago
Pleas help will give brainlist!
Stolb23 [73]

Answer:

The correct option is;

An isosceles trapezoid with legs of length 8

Step-by-step explanation:

The correct option is an isosceles trapezoid with legs of length 8

The given properties of the quadrilateral are;

1) One pair of equal opposite sides

2) One pair of parallel opposite sides

From the given options, the two options which are not parallelograms are the kite and the trapezoid

However given that the option of the kite has a pair of adjacent side of length 8, with the given pair of equal length opposite side of length 8, we have that all the sides of the quadrilateral will be of length 8, and the figure cannot be a kite

An isosceles trapezoid of leg length 8 has one pair of equal length opposite sides of length 8 and one pair of parallel sides of unequal length

Given that the length of the lines that make up the pair of opposite parallel sides in the figure are not specified, the figure can be described by as being an isosceles trapezoid.

3 0
2 years ago
what does democracy mean and how do we practice it in the United States of America ​PLEASE HELPPP!!!!
Maslowich

Answer:

a system of government by the whole population or all the eligible members of a state, typically through elected representatives. The United States is one of the world's developed democracies where third parties have the least political influence. The federal entity created by the U.S. Constitution is the dominant feature of the American governmental system.

Step-by-step explanation:

5 0
3 years ago
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