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Y_Kistochka [10]
3 years ago
7

What are the zeros (x-intercepts) of the function y - 2x2 +7x+3?

Mathematics
1 answer:
xeze [42]3 years ago
8 0

Step-by-step explanation:

b+/-(√b^2-4ac)/2a

7+/-(√7^2-4(2)(3)/2(2)

=-3 or =-1/2

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(2.4x10^3)+(5.7x10^2)<br><br> what is the value
zzz [600]

Answer: 2970

Step-by-step explanation:

First, you do the first exponent in the first part which is 10^3 and the answer for that is 1000. Then you do 2.4x1000 which is 2400. Afterwards you do the second part's exponent which is 10^2 and you get 100 for that. Next, you do 5.7x100 which is 570. Finally you add 2400+570 and get 2970.

5 0
3 years ago
Read 2 more answers
Hi I hope you can help me im struggling with this. ((: I'll give you a brainy thing if your right​
Serggg [28]
It’s d because 15 more than 6 times a number would be 15+6x if that makes sense
6 0
3 years ago
Find the measure of &lt;1. A) 104 degrees, B) 76 degrees , C) 38 degrees<br> Help due in 5 minutes
Annette [7]
It’s c because the triangle is a isosceles triangle meaning both base angles are the same! So a triangle equals 180°. So you subtract 104 from 180. Then divide it by 2 since the base angles are the same

180-104= 76

76/2=38°
3 0
3 years ago
Steve's scores on 6 of his tests were 92, 78, 86, 92, 95, and 91. If he took a seventh test and raised the mean of his scores by
monitta

Answer:

96

Step-by-step explanation:

First we need to know the mean of the Steve's scores on 6 of his tests. Given the six scores as 92, 78, 86, 92, 95, and 91.

Mean = sum of the scores/Total test taken

Mean = 92+78+86+92+95+ 91/6

Mean = 534/6

Mean = 89

If he took the seventh test and the mean score is raised by 1 them the new mean will be expressed as;

New mean = 92+78+86+92+95+ 91+x/7 = 89+1

Where x is the new score. Note that of a new score is added, the total year taken will also change to 7

To get x;

92+78+86+92+95+ 91+x/7 = 89+1

92+78+86+92+95+ 91+x/7 = 90

534+x/7 = 90

Cross multiply

533+x = 90×7

533+x = 630

x = 630-534

x = 96

Hence the score of the seventh test is 96

8 0
3 years ago
Describe using words in a sentence the transformations that must be applied to the graph of f to obtain thegraph of g(x) = -2 f(
grin007 [14]

we have

f(x)

and

g(x)=-2f(x)+5

so

step 1

First transformation

Reflection about the x-axis

so

f(x) -----> -f(x)

step 2

Second transformation

A vertical dilation with a scale factor of 2

so

-f(x) ------> -2f(x)

step 3

Third transformation

A translation of 5 units up

so

-2f(x) -------> -2f(x)+5

5 0
10 months ago
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