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den301095 [7]
3 years ago
13

When solving a quadratic in the form a x squared + b x + c = 0 we are really finding the x–intercepts. These x–intercepts are al

so called roots. What is another term for roots or x-intercepts? a. exponents c. zeros b. quadratics d. variables Please select the best answer from the choices provided A B C D
Mathematics
1 answer:
babymother [125]3 years ago
8 0
C. Zeros
This is because you plug 0 into X to get the Y answer which is your x-intercept
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samuel needs to estimate the product of 23 * 395. explain two different methods Samuel can use to estimate.
Sonbull [250]
Samuel could round both of the individual numbers, to get s rounded answer. So, he could round 23 to 20, and 395 to 400, to get a product of 8000.
Or, he could multiply the numbers first, so 23*395 to get a product of 9085, which would then round to 9000, or depends on what place value it would want to be rounded to.
6 0
3 years ago
What is 9.6 is ten times as much as
IrinaVladis [17]
Your answer should be 96
6 0
4 years ago
A sample of the thickness (in hundredths of an inch) of 15 pieces of Fruit Flavored Bubble Gum yielded a sample mean of 6.841 an
Advocard [28]

I answered part b first before a, bec6 the answer to part b is what would aid me in answering part a

Answer:

B. The t test statistic is the appropriate test.

A. Reject the null hypothesis

Step-by-step explanation:

X1 = 6.841, sd1 = 0.155, n1 = 15

X2 = 6.701, sd2 = 0.108, n2 = 10

1. The appropriate test statistic for this question is the t test.

T = x1-x2/√sd1²/n1 + sd2²/n2

T = 6.841-6.701/√0.155²/15 + 0.108²/10

= 2.66

H0: u1 = u2

H1; u1>u2

Significance level = 0.05

Df = n1+n2-2

= 15+10-2

= 23

T critical = 1.714

2.66>1.714

So we have to reject the null hypothesis. Since we have enough evidence that supports this claim that fruit flavor bubble gum is on average, thicker than the fruit flavored gum.

8 0
3 years ago
If X-A=B, what is X?! NEED HELP ASAP!!
Natasha_Volkova [10]
X-A=B
  +A
X=A+B

i hope i helped you out
6 0
4 years ago
The end of a hose was resting on the ground, pointing up an angle. Sal measured the path of the water coming out of the hose and
MatroZZZ [7]

Answer:  A) 3.2 ft

<u>Step-by-step explanation:</u>

f(4) = -0.3(4)² + 2(4)

     = -4.8 + 8

     =  3.2

6 0
3 years ago
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