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amid [387]
3 years ago
11

The curve produced by the water coming from a hose is sketched onto a graph with zeros at 1 and 5. The point (4,

Mathematics
2 answers:
Levart [38]3 years ago
7 0

Answer

answer A and C are right

Stella [2.4K]3 years ago
6 0

Answer:

<h2>A and C.</h2>

Step-by-step explanation:

From the problem, we deduct that the function has to be quadratic, because it's mention two zeros, which is proper of a polynomial expression with grade 2.

So, we can say that:

h(x)=a(x-0)(x-5)

Because, 5 and 0 are roots of the expression.

Also, we know that the point (4,1) is on the curve, this means:

h(4)=1

Replacing this relation in the first expression, we have:

1=a(4-5)

1=a(-1)\\a=-1

So, the expression would be:

h(x)=-1(x-0)(x-5)

h(x)=-x(x-5)

h(x)=-x^{2} +5x

If we graph, we could get the vertex easier.

You can see in the image, that the vertex is at x = 2.5

Therefore, the option C is the answer.

However, the first option has this function:

h(x) = –0.25(x)(x – 5).

Which also can be solution, because, if we try x = 4:

h(4) = –0.25(4)(4 – 5)=1

Therefore, option A is also part of the answer.

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John walks m miles each week. Marie’s distance can be found by using the expression : 3m + ½
KiRa [710]

Answer:

21.5 Miles or 21 ½ Miles

Step-by-step explanation:

Plug in 7 as m to 3m + ½.

Then, I get 3(7) + ½.

That concludes to 21 + ½

Add the ".5" or "½" at the end

So, answer is you get is 21.5 of 21 ½

7 0
3 years ago
Ur getting paid $360 per day.....get sick and leave after 1/5 of the day
zheka24 [161]

Answer:

You would earn $72 that day.

Step-by-step explanation:

$360 / 5 = $72

$72 * 5 = $360

Hope this helps!

8 0
3 years ago
Read 2 more answers
Do i solve this?? need help???
Arlecino [84]
A =
5 and -5
-1 and 3

¹/₃B =

-6 and 12
-7 and 7

¹/₃B + A =

-1 and 7
-8 and 10
7 0
3 years ago
What is the difference between d and 7?
Goryan [66]

Answer:

d - 7

Step-by-step explanation:

The word "difference" tells us that we will be using subtraction. Also, subtraction is not the same if you reverse the terms like, x - 2 and 2 - x are not the same. In your question it say "d and 7" so that's the order we use in the algebraic expression.

3 0
1 year ago
Consider the following hypothesis test H0 p 20 Ha p 20 A sample of 400 provided a sample proportion p 175 a Compute the value of
Bogdan [553]

Answer:

a) -1.25

b) 0.2112

c) -1.96

Step-by-step explanation:

Data provided in the question:

Sample size, n = 400

H0 : p = 20

\bar{p} = 175

Now,

a) The test statistic is  given as:

Z = \frac{(\bar{p}-p)}{\sqrt{\frac{p(1-p)}{n}}}

on substituting the respective values, we get

Z = \frac{(0.175-0.2)}{\sqrt{\frac{0.2\times0.8}{400}}}

= -1.25

b) The p-value = 2 × P(Z <-1.25)

Now from the standard normal table

P(Z <-1.25) = 10.56% = 0.1056

Thus,

p-value = 2 × 1056 = 0.2112

c) for a = 0.05,

the critical value is Z_{\frac{a}{2}}=Z_{\frac{0.05}{2}} i.e Z_{0.025}

Now from standard normal table

Z_{0.025} = -1.96

3 0
3 years ago
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