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max2010maxim [7]
4 years ago
13

F(b) = 4b^2 + 3b Find f(b)

Mathematics
2 answers:
sveticcg [70]4 years ago
8 0
Answer: =4(b+3/8)^2 -9/16


olganol [36]4 years ago
6 0
The answer is = b(4b+7) if you factor it
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Help please. my sister cant figure this out
Elza [17]
Q5 - 6: I'm guessing that it's asking us how many less than right angles, right angles, or more than right angles are present in the shapes given in question 5 and 6.

Keep in mind that right angles are exactly 90 degrees. Less than a right triangle is less than 90 degrees ( x < 90) and more than a right triangle is more than 90 degrees (x > 90) View the attachment for further demonstration and explanation. 

Based on this, I think you (or your sister) need to re-check question 5. There are no right angles present there, and the lack of the box and L shaped angles indicate this. You are on the right track for number 6 though as only 2 right triangles are present.

For number 8, Kaylee (lol, feels weird saying that since my name is Kaylee), is incorrect. There are no right angles. You can further explain and elaborate on this using the information I supplied you with.

 

8 0
3 years ago
Solve for x and y. 3x+8y=20. 5x+3y=23
GrogVix [38]

Answer:

x=4 and y=1

Step-by-step explanation:

Equation 1) 3x+8y=20  

Equation 2) 5x+3y=23

Equation 1) 5(3x+8y=20 )  

Equation 2) 3(5x+3y=23)

15x+40y=100

15x+9y=69

(Take away 40y from 9y and 100 from 69)

31y = 31

y=1

Substitute y=1 into equation 1)

3x+8=20

(Take away 8 from both sides)

3x=12

(Divide by 3)

x=4

6 0
4 years ago
Read 2 more answers
I don’t know how to do this ! Help?
dybincka [34]

Answer:

The information we need is that the angle between the sides (that is, angle TVU for triangle TVU and angle WVX for triangle WVX) need to be equal.

These angles are vertically opposite angles, because they are formed by two lines crossing, so these angles are equal.

Step-by-step explanation:

The SAS Congruence Theorem says that if two triangles have 2 equal sides and the angle between these sides are also equal, the triangles are congruent.

In this question, we know that the sides UV and VW are congruent, as V is the midpoint of UW. We also know that TV = VX, so now we have two equal sides for each triangle.

The information we need is that the angle between the sides (that is, angle TVU for triangle TVU and angle WVX for triangle WVX) need to be equal.

These angles are vertically opposite angles, because they are formed by two lines crossing, so these angles are equal.

Now we can conclude that the triangles are congruent.

7 0
3 years ago
| 19) -6.5<br> What is the answer
Rashid [163]

Answer:

the answer will be 3.5 i think

Step-by-step explanation:

8 0
3 years ago
5x + 2(x + 7) = 14x – 7.i will mark brainliest
Temka [501]

Answer:

5x +2x+14 =14x-7

7x+14=14x-7

14+7=14x-7x

21 divide bye 7=7x divide bye 7

3=x

Step-by-step explanation:

3 0
3 years ago
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