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julsineya [31]
3 years ago
11

Which equation, when graphed, has x-intercepts at (-1,0) and (-5,0) and a y-intercept at (0, -30)?

Mathematics
1 answer:
Vladimir [108]3 years ago
7 0

If a function has roots -1 and -5, it must be in the form

f(x)=a(x+1)(x+5)

We can fix the coefficient a by imposing the passing through (0,-30):

f(0)=-30=a(1)(5)\iff a=-6

So, the function is

f(x)=-6(x+1)(x+5)

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A survey was carried out among 120 school children looked at which type of meat they preferred. 55%said they preferred lamb,20%
Readme [11.4K]

No. of children in lamb, chicken, duck, and turkey category is 66, 24, 18 and 12 respectively.

<h3>What is percentage ?</h3>

Percentage is the value per hundredth.

According to the given question a survey was carried out among 120 school children looked at which type of meat they preferred. 55% said they preferred lamb,20% said they preferred chicken, 15% preferred duck and 10% turkey and we have to calculate no. of children in each category.

55% said they preferred lamb, So the no. of students i this category is

= (55/100)×120

= 66 children.

20% said they preferred chicken, So the no. of children in this category is

= (20/100)×120

= 24 children.

15% said they preferred duck, So the no. of children in this category is

= (15/100)×120

= 18 children.

10% said they preferred turkey, So the no. of children in this category is

= (10/100)×120

= 12 children.

learn more about percentage here :

brainly.com/question/19670755

#SPJ4

4 0
1 year ago
How do I solve this?
Alecsey [184]
Add them together and  subtracct thee total.
4 0
3 years ago
Multiply (7x – 6)(8x +3). A. 56x 2 – 27x – 18 B. 12x 2 – 50x + 8 C. 56x 2 – 18 D. 56x 2 – 69x + 18
mestny [16]
(7x-6)(8x+3)

Use the FOIL method

F:  7x • 8x = 56x^2
O: 7x • 3 = 21x
I: -6 • 8x = -48x
L: -6 • 3 = -18

56x^{2}+21x-48x-18

Simplify
56x^{2}-27x-18

Your answer is A.
7 0
3 years ago
Find the difference 4 - 15
Lady_Fox [76]

first 15- 4= 11

in question they gave 4-15 so

-11

6 0
2 years ago
Faye is selling floral arrangements. Each arrangement uses 1 vase and 14 daisies. Each vase costs Faye $3.00. Let C be the total
Feliz [49]

Answer:

C = 14d + 3

Step-by-step explanation:

i took the test hope this helps

could you put me as the brainlyest

8 0
3 years ago
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