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gavmur [86]
3 years ago
13

Write the quadratic equation in standard form:5+ 7x = -4x2 – 5​

Mathematics
2 answers:
Ganezh [65]3 years ago
8 0

Answer:

4x^2-2x-6=0

Step-by-step explanation:

Bond [772]3 years ago
3 0

Answer:

4x^2 + 7x +10

Step-by-step explanation:

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Pilar colored in a decimal grid to multiply to decimals. What product is represented by the model?
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Answer: 0.3 x 0.7 = 0.21

Step-by-step explanation: tell me if im wrong

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Out of the six possible combinations shown in the tree, three of them have tails. Tails,1 tails,2 and tails,3 are the three possible solutions with tails. So the answer is C.
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Triangle and triangle are similar. What is the measure of side ?
NARA [144]

Answer:Parts of two triangles can be proportional; if two triangles are known to be similar then the perimeters are proportional to the measures of corresponding sides. Continuing, if two triangles are known to be similar then the measures of the corresponding altitudes are proportional to the corresponding sides.

Step-by-step explanation:Parts of two triangles can be proportional; if two triangles are known to be similar then the perimeters are proportional to the measures of corresponding sides. Continuing, if two triangles are known to be similar then the measures of the corresponding altitudes are proportional to the corresponding sides.

8 0
3 years ago
What is the inverse of function f?<br><br><br><br> A. <br><br> B. <br><br> C. <br><br> D.
fomenos
<h3>Answer: Choice D</h3>

f^{-1}(x) = 3-7x\\\\

=====================================================

Work Shown:

f(x) = \frac{3-x}{7}\\\\y = \frac{3-x}{7}\\\\x = \frac{3-y}{7}\\\\7x = 3-y\\\\7x+y = 3\\\\y = 3-7x\\\\f^{-1}(x) = 3-7x\\\\

The idea is to swap each x and y, then solve for y to find the inverse.

3 0
2 years ago
Question 2 (5 points) Saved
ratelena [41]

Answer:

(1, -1/2)

Step-by-step explanation:

7x - 2y = 8

5x + 2y = 4

I would use elimination to get rid of y

Add the two equations together

7x - 2y = 8

5x + 2y = 4

-------------------------

12x = 12

Divide each side by 12

x =1

Now find y

5x+2y = 4

5*1 +2y =4

Subtract 5 from each side

5+2y -5 = 4-5

2y = -1

Divide by 2

2y/2 =-1/2

y = -1/2

8 0
3 years ago
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