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telo118 [61]
3 years ago
5

15 PTS! ILL GIVE BRAINLIEST!

Mathematics
2 answers:
CaHeK987 [17]3 years ago
3 0
Your answer is c. As you multiply 1/2 by both of the factors inside the parentheses you’ll find that 1/2(b-30)=1/2b-15
Fudgin [204]3 years ago
3 0
The answer is c I had this for a home work question
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The area of a rectangular rug is given by the trinomial r^2-4r-77. What are the possible dimensions of the​ rug? Use factoring.
Softa [21]
When you factor the equation...

r^2-4r-77

r^2+7r-11r-77

r(r+7)-11(r+7)

(r-11)(r+7)  so each parenthetical term is a dimension.

Note that r>11 though for any possible real solution. 
4 0
3 years ago
I need the answer to this problem. For math 3(5y+2)
Anni [7]

Answer:

15y +6

Step-by-step explanation:

3(5y+2)

Distribute

3*5y +3*2

15y +6

6 0
3 years ago
Jessica is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How long a
ElenaW [278]

Answer:

80 cm

Step-by-step explanation:

To find the length of both segments together, convert the lengths into one unit measure. Convert 500 mm  into centimeters by dividing it by 10. 500/10 = 50 cm. Now add 30 + 50 = 80 cm. The segment is 80 cm long.

7 0
3 years ago
Read 2 more answers
What is the value of X?
Deffense [45]

These angles are vertical angles meaning that they are equal to each other. Here is the equation for this problem:

x + 40 = 3x

Combine like terms

(x-x) + 40 = 3x - x

40 = 2x

Isolate x

40/2 = 2x/2

x = 20

Hope this helped!

4 0
3 years ago
Darcy harvests 8 3/4 acres of corn every 5/6 of an hour.Darcy harvests corn at a constant rate. How many acres does she harvests
andrey2020 [161]

Answer:

10.50 acres per hour or 1.75 per 10 minutes(1/6 of an hour)

Step-by-step explanation:

5/6 of an hour is 50 minutes

1/6 of an hour is 10 minutes

8 3/4 is equal to 8.75

8.75/5 is equal to 1.75 which means she harvests 1.75 acres per hour

1.75 x 6(hour) is equal to 10.50 acres total in one hour

3 0
3 years ago
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