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Ira Lisetskai [31]
3 years ago
8

PLEASE HELP ME WITH THIS. I DONT GET IT.

Mathematics
2 answers:
Ivahew [28]3 years ago
6 0
I think its B but I’m not positive.
antoniya [11.8K]3 years ago
6 0
The answer is D. Have an amazing day
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What is the value of the expression? Y=6 z=2
slava [35]
The answer is 16 can u give me brainliest hehehe

4 0
3 years ago
Read 2 more answers
Help me please!!!!!!!!!!
Inessa05 [86]

Answer:

A

Step-by-step explanation:

Use the quadratic formula

8 0
3 years ago
You have been saving nickels, dimes, and quarters in a jar for about a year. You decide to see how much money you've saved up. W
anyanavicka [17]

Answer:

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

Step-by-step explanation:

Let

x = number of nickels

y = number of dimes

z = number of quarters

Total worth of the coins = $41.45

Total number of coins = 361

x + y + z = 361 (1)

dime = $0.1,

nickel = $0.05

quarter = $0.25

0.05x + 0.1y + 0.25z = 41.45 (2)

twice as many dimes as quarters.

y = 2z

Substitute y = 2z into (1) and (2)

x + 2z + z = 361

0.05x + 0.1(2z) + 0.25z = 41.45

x + 3z = 361

0.05x + 0.2z + 0.25z = 41.45

x + 3z = 361 (3)

0.05x + 0.45z = 41.45 (4)

Multiply (4) by 20

x + 3z = 361 (3)

x + 9z = 829 (5)

Subtract (3) from (5)

9z - 3z = 829 - 361

6z = 468

Divide both sides by 6

z = 468 / 6

= 78

z= 78

Recall,

y = 2z

= 2(78)

= 156

y = 156

Substitute the value of y and z into

x + y + z = 361

x + 156 + 78 = 361

x + 234 = 361

x = 361 - 234

= 127

x= 127

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

6 0
3 years ago
If you help, i give brainliest!
topjm [15]

Answer:

m<E = 77^{o}

Step-by-step explanation:

From the diagram, ΔACE and ΔBDE are similar. So that comparing its angles, we have;

(8x + 4) = (9x - 5)

8x + 4 = 9x - 5

5 + 4 = 9x - 8x

x = 9

Thus,

(8x + 4) = 8(9) + 4 = 76

(9x - 5) = 9(9) - 5 = 76

3x = 3(9) = 27

From ΔACE,

3x + (8x + 4) + m<E = 180 (sum of angles in a triangle)

27 + 76 + m<E = 180

m<E = 180 - 103

m<E = 77^{o}

3 0
2 years ago
Sonny lives in a tall apartment building. He looks out his window and spots a car on the road that runs straight toward his buil
Snezhnost [94]

Step-by-step explanation:

Acc to my calculation it is coming 292.19 feet so approx 293.3 feet is the correct option

3 0
3 years ago
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