All categories

4 years ago

Which function has real zeros at x = 3 and x = 7?

Mathematics

2 answers:

Nezavi [6.7K]4 years ago

7 0

Answer:

x² - 10x + 21

Step-by-step explanation:

the 3rd one

(x-3)(x-7)=0

nydimaria [60]4 years ago

4 0

Answer:

C. f(x) = x2 – 10x + 21

Step-by-step explanation:

Just had this on a test

You might be interested in

Find the measure of 44. 131 49 49 64 [?] Enter

Lorico [155]

49 they are equal to each other

7 0

3 years ago

When asked to graph the line for y = 2/5x + 3, Mallory drew the line shown.

Helen [10]

Answer:

Step-by-step explanation:

Using desmos we can see that the slope is positive and increasing while Mallory made a negative slope.

5 0

3 years ago

In a laboratory, they were testing a certain bacteria. They stated with 50 bacteria and they noticed it triples every 30 minutes

MaRussiya [10]

I think it’s just 4(50•3)=600

4 0

3 years ago

A student is trying to solve the system of two equations given below: Equation P: a + b = 6 Equation Q: 4a + 2b = 19 Which of th

Marrrta [24]

Answer:

$-4(a + b = 6)$

Step-by-step explanation:

Given

$a + b = 6$

$4a + 2b = 19$

Required

Eliminate a

Multiply the first equation by -4

$-4(a + b = 6)$

Add to the second equation

$-4(a + b = 6) + (4a + 2b = 19)$

Solve brackets

$(-4a -4b = -24) + (4a + 2b = 19)$

Open bracket

$-4a + 4a -4b + 2b = -24 + 19$

$-4b + 2b = -24 + 19$

At this point, a has been eliminated;

From the list of given options, the option that answers the question is $-4(a + b = 6)$

8 0

4 years ago

19. the first side of a triangle measures 4in less than the second side, the third side is 3 in more than the first side, and th

Harman [31]

Answer:

the third side is 5 2/3 in.

s - 1

Step-by-step explanation:

a = side 1

b = side 2

c = side 3

a + b + c = 15

a = b - 4 => b = a + 4

c = a + 3

a + a + 4 + a + 3 = 15

3a + 7 = 15

3a = 8

a = 8/3 = 2 2/3 in

b = a + 4 = 6 2/3 in

c = a + 3 = 5 2/3 in

5 0

3 years ago