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snow_lady [41]
3 years ago
5

QUADRATIC FORMULAX = ?​

Mathematics
2 answers:
astraxan [27]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

well first 2(2x-5) turns to 4x-10  because of distributive prperty

then simplify the other side 3x+x-2x to 4x-2x to 2x

then subtract 4x from both sides and you get -10= -2x

after divied -2x/-2 and -10/-5

and get x=5

then plug in 5 into x to make sure both sides are equal

and they equal 10=10

wlad13 [49]3 years ago
4 0

Answer:

quad form is (plus or minus)

Step-by-step explanation:

-b +-\sqrt{b^2-4ac}/2a

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Question 8(Multiple Choice Worth 1 points)
Marianna [84]

Q8: a. 270

Q9: b. 78.5%

Q10: c. 36

Q11: d. 1/5

Q12: a. 0.4

4 0
4 years ago
if a group of four friends went to the movies in addition to their tickets they bought a large bag of popcorn to share for $6.25
Anit [1.1K]

Answer:

Each ticket cost $9.50

Step-by-step explanation:

4x+6.25=44.25

    -6.25.      -6.25

4x=38

x=9.50

4 0
4 years ago
Read 2 more answers
PLEASE HELP I DONT UNDERSTAND!!
qaws [65]

First set both equations equal to y

y = -1/2x + 3

y = 3x - 4

Then set these two equal because they both equal y

-1/2x + 3 =  3x + 4

Combine like terms and solve

7 = 3.5x

x = 2

y also = 2 when you plug it back in

Therefore, (2,2)

4 0
3 years ago
Gina invests $1,677 in an account paying 8.61% simple interest annually. How much interest has Gina gained after six years? a. $
enot [183]

Answer:

Option (c) is correct.

The interest gained by Gini in 6 years is $ 866.34

Step-by-step explanation:

Given: Gina invests $1,677 in an account paying 8.61% simple interest annually for 6 years.

We have to calculate the interest gained by Gina in 6 years.

Using formula for simple interest

S.I.=\frac{P\times I\times T}{100}

Where,

S.I = simple interest

P is principal

R is interest rate

T is time  

Given : P = $ 1677

R = 8.61%

T = 6 years

Substitute, we get,

S.I.=\frac{1677\times 8.61\times 6}{100}

Simplify, we get,

S.I. = $ 866.3382

Rounding off to nearest hundred  we get, Interest is $866.34

Thus, the interest gained by Gini in 6 years is $ 866.34

3 0
4 years ago
Please help me I’m really stuck
dalvyx [7]

Answer:

<u>/</u><u> </u>3=<u>/</u><u> </u>5 { alternate anglea}

<u>/</u><u> </u>5+<u>/</u>6 =180° {straight angle}

<u>/</u><u> </u>6=180-26

<u>/</u><u> </u>6=154°

hope it helps

<h3>stay safe healthy and happy.</h3>
6 0
3 years ago
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