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ra1l [238]
3 years ago
15

PLEASE HELP ALGEBRA!!

Mathematics
1 answer:
kari74 [83]3 years ago
4 0

Answer:

The very first one is decay and the rest are growth

Step-by-step explanation:

Im SO sorry if i got it wrong

I REALLY hope this helped

Best of luck

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Find the measure of Angle 5. <br><br><br>measure of angle 7 = 2x+15<br><br>measure of angle 8 = 3x
xenn [34]

Answer:

x=33

Measure of angle 5=81

Measure of angle 6=99

Measure of angle 7=81

Measure of angle 8=99

Step-by-step explanation:

Angles 7 and 8 are supplementary because they share a common vertex while laying on a line.

That is the measurement of angles 7 and 8 add up to be 180.

mAngle7+mAngle8=180

(2x+15)  + (3x )        =180

 2x+15   + 3x           =180

Combine like terms:

 5x+15                      =180

Subtract 15 on both sides:

 5x                            =180-15

Simplify right hand side:

 5x                            = 165

Divide both sides by 5:

  x                             =165/5

Simplify right hand side:

  x                             =33

The measure of angle 7 is 2x+15=2(33)+15=66+15=81.

The measure of angle 8 is 3x=3(33)=99.

Recall vertical angles are congruent.

5 and 7 are vertical so the measure of angle 5 is 81.

6 and 8 are vertical so the measure of angle 6 is 99.

Measure of angle 5=81

Measure of angle 6=99

Measure of angle 7=81

Measure of angle 8=99

3 0
4 years ago
The graph of y = 4x2 - 4x – 1 is shown.
11Alexandr11 [23.1K]

Answer:

i) The approximate solutions are: x_{1} \approx -0.207, x_{2} \approx 1.207.

ii) The approximate solutions are: x_{1}\approx -0.5, x_{2} \approx 1.5.

Step-by-step explanation:

i) The best approach to estimate graphically the solution of 4\cdot x^{2} - 4\cdot x - 1 = 0 is graphing the following system of equations:

y = 4\cdot x^{2}-4\cdot x - 1 (1)

y = 0 (2)

And labeling the points in which both intersects each other. We include the result in the image 'solution-i'. The approximate solutions are: x_{1} \approx -0.207, x_{2} \approx 1.207.

ii) The best approach to estimate graphically the solution of 4\cdot x^{2} - 4\cdot x - 1 = 2 is graphing the following system of equations:

y = 4\cdot x^{2}-4\cdot x - 1 (1)

y = 2 (2)

And labeling the points in which both intersects each other. We include the result in the image 'solution-ii'. The approximate solutions are: x_{1}\approx -0.5, x_{2} \approx 1.5.

5 0
3 years ago
Mr. Rowdy has 16 homework papers and 14 exit tickets to retune. Miss Rivera has 64 homework papers and 60 exit tickets to return
nlexa [21]

Answer:

Mr Rowdy 9/7

Miss Rivera 16/15

No, the ratios are not equivalent

Step-by-step explanation:

6 0
3 years ago
How do you work out pie charts if thewy don't have any numbers on them?
abruzzese [7]
Adding on to the previous, estimate FRACTIONS of the chart, and then figure out the percentage of those fractions
6 0
4 years ago
PLEASE HURRY I'LL MARK BRAINLIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!1 Bo, Mike, and Cat are playing a game involving decimals in math cl
Marina CMI [18]

Answer:

67.65

Step-by-step explanation:

4 0
3 years ago
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