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natita [175]
3 years ago
5

1 The expression - 1/2bh gives the area of a triangle where b is the base of the triangle and h is the height of the triangle. W

hat is the area of a triangle with a base of 7 cm and a height of 4 cm? 28 cm 2 Show Calculator Report a problem Stuck? Watch a video or use a hint. Give Try as 2 of 4​
Mathematics
1 answer:
mihalych1998 [28]3 years ago
8 0

Answer:

14

Step-by-step explanation:

1/2bh is saying that the base times the height, halved is the area of the triangle.

so

we will do the base times the height

7x4=28

then we will halve it

28/2=14

the answer is 14

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Find the volume of the prism. Write your answer as a fraction.
TiliK225 [7]

Answer:

3/196

Step-by-step explanation:

because if 2 times 14 times 7, you will get 196 and then do 1 times 3 times 1 which equal to 3. so the answer will be 3/196

5 0
3 years ago
Camilla makes and sells Jewelry. She has 8,160 silver beads and 2,880 black beads to make a necklace. Each necklace will contain
Svetlanka [38]

Answer:

96.

Step-by-step explanation:

Divide the silver beads by 85=96

Then divide the black beads by 30=96.

Total necklaces that can be made: 96

4 0
3 years ago
If you knew that the vertical intercept for a straight line was 15, that the slope was -.5, and that the independent variable ha
Finger [1]
Y=-.5x+15 plug in 8 for x and you get 11
7 0
3 years ago
What would y be if 8x-6y=36
kondor19780726 [428]

Answer:

\quad y=-\frac{2\left(-2x+9\right)}{3}

Step-by-step explanation:

1. Subtract 8x from both sides:

8x-6y-8x=36-8x

2. Simplify:

-6y=36-8x

3. Divide both sides by -6

\frac{-6y}{-6}=\frac{36}{-6}-\frac{8x}{-6}

4. Simplify to get answer

8 0
3 years ago
Helppppppp! Find the length of PQ if PQR is an isosceles triangle with PQ ≈ QR.​
KATRIN_1 [288]

Answer:

43

Step-by-step explanation:

3x + 10 = 5x - 12

       10 = 2x - 12

      22 = 2x

        x = 11

check:

33 + 10 = 55 - 12

43 = 43

correct

x = 11 so bring this into 3x + 10

we get 43

5 0
3 years ago
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