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Blababa [14]
2 years ago
7

Please help me ASAP!!!

Mathematics
1 answer:
Yanka [14]2 years ago
6 0

Answer:

x = 25

Step-by-step explanation:

The two angles form a straight line which is 180 degrees

2x+10 + 4x+20 = 180

Combine like terms

6x+30 = 180

Subtract 30 from each side

6x+30-30 = 180-30

6x = 150

Divide by 6

6x/6 = 150/6

x=25

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What is the measure of each interior angle of the regular polygon pictured below? If necessary, round to the nearest tenth.
sammy [17]

Answer:

144

Step-by-step explanation:

Sum of interior angles:

180(n-2)

180(10-2)  

1440

Measure of each interior angle:

1440/10=144

8 0
2 years ago
The cost of two mopeds is the same as the cost of seven bicycles. the cost of one bicycle is $152. therefore, the cost of one mo
DanielleElmas [232]
7 bicycles dived by two mopeds = 3.5
$152 x 3.5 = $532

your answer is $532. 
7 0
3 years ago
If the discriminant of a quadratic equation is 4 which statement describes the roots.
Alisiya [41]

Answer:

2 real roots

Step-by-step explanation:

If the discriminant is >0 then the equation has 2 real roots

If the discriminant is =0 then the equation has 1 real roots

If the discriminant is <0 then the equation has 2 complex roots

since the discriminant is 4, it has 2 real roots

6 0
2 years ago
A piggy bank contains 80 nickels and dimes the value of the coins is 5.15
dimaraw [331]
Answer: the amount of dimes is $1.15 this is also equivalent to 11 dimes and an extra nickel.

Explanation:

80 nickels =$4.00
$5.15-$4.00= $1.15
11 dimes= $1.10
1 nickel= $0.05
$1.10+$0.05= $1.15


hope this helps! :)
5 0
2 years ago
The value of a collectable car has been increasing by 4 percent each year. This year the car is valued at $15,200. Write a funct
zloy xaker [14]

Answer:

I think it would be

t(15,200)¹'⁰⁴

I used an apostrophe up there, but it's supposed to be a dot, so to the power of 1.04

5 0
2 years ago
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