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Ede4ka [16]
2 years ago
13

Write the quadratic equation 3x ^ 2 - 9x = 5 standard form ax²+bx+c=0? in the

Mathematics
1 answer:
sleet_krkn [62]2 years ago
8 0
The answer to your question is B 3x^2-9x-5=0.
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PLEASE HELP !!!!!!! For what value of x is line m parallel to line n? Enter your answer in the box. x = Line m is parallel to li
Sonja [21]

Answer:

x=10

Step-by-step explanation:

we know that

When two lines are crossed by another line (transversal), the angles in matching corners are called Corresponding Angles.

When the line are parallel the corresponding angles are equal in measurement.

so

In this problem

(8x+50)\°=130\° -----> by corresponding angles

see the attached figure to better understand the problem

Solve for x

Subtract 50 both sides

8x=130-50

8x=80

Divide by 8 both sides

x=80/8

x=10

7 0
3 years ago
In the equation x + y = 8, find the value of x if y = 3<br><br> 3<br> 5<br> 7<br> 11
snow_lady [41]

Answer:

11

Step-by-step explanation:

x+y=8     y=3

x+3=8

-3     -3

x=11

7 0
3 years ago
Read 2 more answers
The sum of ten consecutive whole even numbers is 1190
olga2289 [7]
X + x+2 + x+4 + x+6 +x+8 + x+10 + x+12 + x+14 + x+16 + x+18 = 1190
Now simplify
10x + 90 = 1190
10x = 1100
x = 110
Now plug in 110 for x
5 0
3 years ago
Which dot plot has more than 1 mode?
Lyrx [107]

Answer:

The Calico Crayfish

Step-by-step explanation:

Mode is the number that appears the most.

<u>Zebra Mussel</u>

Mode: 5

<u>Shield Darter</u>

Mode: 4

<u>Calico Crayfish</u>

Mode: 5 & 8

<u>Blueback Herring</u>

Mode: 10

3 0
3 years ago
Solve showing all work<br> Y=x^2+3 <br> y=x+5
Romashka-Z-Leto [24]

Answer:

x=2 , x=(-1)

Step-by-step explanation:

y=x^2+3----------1

y=x+5-------------2

1=2

x^2+3 = x+5

x^2-x-2=0

(x-2)(x+1)=0

x=2 , x=(-1)

8 0
2 years ago
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