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RoseWind [281]
3 years ago
7

Can someone help me with this

Mathematics
2 answers:
Kamila [148]3 years ago
7 0

Step-by-step explanation:

please give me brainlest

dolphi86 [110]3 years ago
7 0

Answer:

\frac{3}{4}  {k}^{2}  + 2k - 29 \\  \\  \frac{3}{4}  {( - 12)}^{2}  + 2( - 12) - 29 \\  \\  \frac{3}{4} (144) - 24 - 29 \\  \\ 3(36) - 24 - 29 \\  \\ 108 - 24 - 29 = 55

I hope I helped you^_^

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The ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their are
arsen [322]

Answer:

  16 cm^2 and 49 cm^2

Step-by-step explanation:

The ratio of areas is the square of the ratio of linear dimensions, so is ...

  (4/7)^2 = 16/49

The sum of these "ratio units" is 16 +49 = 65. The sum of triangle areas is 65 cm^2, so each "ratio unit" must stand for 1 cm^2 of area. That is, the triangles must have areas of ...

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3 0
3 years ago
Read 2 more answers
How do I solve this??
pshichka [43]
Well, first you should make both sides of the equation to the power of 2. 
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6 0
3 years ago
Given m < TUV = 78, find m < WUV
meriva

Answer:

m∠WUV = 23°

Step-by-step explanation:

m∠TUW and m∠WUV must add up to m∠TUV

Step 1: Set up equation

m∠TUW + m∠WUV = m∠TUV

8x + 7 + 4x - 1 = 78

Step 2: Solve for <em>x</em>

12x + 6 = 78

12x = 72

x = 6

Step 3: Find m∠WUV

m∠WUV = 4x - 1

m∠WUV = 4(6) - 1

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m∠WUV = 23°

7 0
3 years ago
Which ordered pair is a solution of the equation?
liq [111]

Answer:

y=39

Step-by-step explanation:

73-2y=-5

2y=73-(-5)

2y=73+5

2y=78

y=78/2

y=39

6 0
3 years ago
CAN SOMEONE PLEASE HEALP MEEEEEEE A rectangle has an area of 24 square units and a side length of 2 3/4 units. Find the other si
Trava [24]

Answer:

12

Step-by-step explanation:

Using the formula

A=wl

Solving for l

1=a/w=24/2=12

3 0
3 years ago
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