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jenyasd209 [6]
3 years ago
12

2

Mathematics
1 answer:
Valentin [98]3 years ago
4 0

Answer:

15 to 21

Step-by-step explanation:

junk to total

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Angle B is 45% of angle A. Angle C is 35% of angle A. What is the measurement of angle A?
mafiozo [28]

We assume , A, B, and C are angles of a triangle.
The sum of angles of a triangle is equal to 180º; therefore:
A+B+C=180º

B is 45% of angle A; then B=0.45A
C is 35% of anble A; Then C=0.35A

We can suggest this equation;
A+0.45A+0.35A=180
1.8A=180
A=180/1.8
A=100

Answer: The measurement of angle A is 100º.
3 0
2 years ago
Help please brainliest
serg [7]

Answer:

d.4x - 6

Step-by-step explanation:

6 0
2 years ago
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What is the simplified form of the quantity of x plus 7, all over the quantity of x plus 3 + the quantity of x minus 4, all over
allochka39001 [22]

\frac{3x + 21}{4x + 5}
3 0
3 years ago
a construction company charges $15 per hour for debris removal , plus a one -time fee for the use of the trash dumpster.the tota
ser-zykov [4K]

Let h be the numbers of hours, f be the one-time fee and c the cost charged. The equation is

c=15h+f

Since you pay $15 per four, plus the fee. We can solve this equation for the fee:

f=c-15h

If we plug c=195 and h=9, we have

f=195-15\cdot 9=195-135=60

6 0
2 years ago
This is for today help pls!!!
ryzh [129]

Answer:

Perimeter=25 units

Area= 43 units^2

Step-by-step explanation:

one side = 5 units so perimeter is 5x5=25

split into 5 equal triangles

base =5, height =3.44, formula for area=(base)(height)(0.5)

area of each triangle =(5)(3.44)(0.5)=8.6

entire area=5(8.6)=43

6 0
3 years ago
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