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Elina [12.6K]
3 years ago
13

Solve for x. 5x2+70x+245 = 0

Mathematics
2 answers:
stepan [7]3 years ago
6 0

Answer:

   x = -7

Step-by-step explanation:

Oxana [17]3 years ago
4 0
X is -7. You solve by factoring and setting X to one side of the equation
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Teh slope between two points is calculated by finding the change in y-values and dividing by the change in x-values. for example
Nimfa-mama [501]
Hi there!

The change of y-values is
- 15 - 22 = - 37
The change of x-values is
7 - - 8 = 7 + 8 = 15

Therefore, the slope of this line is
\frac{ - 37}{15}  =  - 2 \frac{7}{15}

4 0
3 years ago
Solve for missing variable d=rt, r=57, t=4
____ [38]

D=228

when 2 numbers or variables are next to eachother it means you need to multiply. So in this case r=57 and t=4 and we mulitply. 57 x 4 = 228.  So the answer is 228. Hope this helps and have a great day!

8 0
3 years ago
5 in<br> 9 in<br> 10 in<br> Surface Area =
yKpoI14uk [10]

5*9*10= Surface Area

5 0
3 years ago
M∠a=(48−x)°m∠b=(9x−38)°m∠c=90°
Pachacha [2.7K]

<u>The question does not specify the condition that must satisfy the given angles. We assume they are the internal angles of a triangle.</u>

Answer:

<em>x = 10</em>

Step-by-step explanation:

<u>Internal Angles of a Triangle</u>

The measure of the angles of a triangle are given as 48-x, 9x-38, and 90. Since the sum of the internal angles of a triangle is 180°:

48 - x + 9x - 38 + 90 = 180

Simplifying:

100 + 8x = 180

Subtracting 100:

8x = 180 - 100 = 80

x = 80/8

x = 10

7 0
3 years ago
Help ans pls thx for the ans if anyone helped<br>​
ElenaW [278]
I don’t know the rest but number seven is n
7 0
3 years ago
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