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4 years ago

He graph represents a function:

Mathematics

2 answers:

Veseljchak [2.6K]4 years ago

8 0

A is most likely the answer.

Hope this Helped!

;D
Brainliest??

kenny6666 [7]4 years ago

3 0

The answer to this question is part A

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Factor completely.<br><br><br> x^2−8x+15

V125BC [204]

Answer:

(x-3) (x-5)

Step-by-step explanation:

x²−8x+15

note that the constant term is 15 and the x-coefficient is -8

step 1: List factors of 15 : ±1, ±3, ±5, ±15

step 2: observe the factors listed and ask ourselves the following questions:

1) What 2 factors in the list , when multiplied gives the constant 15

2) What same 2 factors when added gives the x-coefficient -8

by deduction or trial and error, we can see that -3 and -5, when multiplied gives 15 and when added gives -8. Hence these become the factors.

Hence the factors are

(x-3) (x-5)

7 0

3 years ago

Solve the equation 1.2x = 5.16 for x

Elis [28]

Answer:

x = 4.3

Step-by-step explanation:

Lets solve!

1.2(x) = 5.16

Divide both sides by 1.2 to get

x = 4.3

7 0

3 years ago

Read 2 more answers

Create a linear equation in slope intercept form that contains the points (1,4) and (4,7).

S_A_V [24]

Answer:

y = x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 4) and (x₂, y₂ ) = (4, 7)

m = $\frac{7-4}{4-1}$ = $\frac{3}{3}$ = 1, hence

y = x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation.

Using (1, 4), then

4 = 1 + c ⇒ c = 4 - 1 = 3

y = x + 3 ← equation in slope- intercept form

4 0

4 years ago

The ratio of girls to boys at soccer practice is 3:4. If on Saturday there will be a total of 42 players, how many boys will be

Alex777 [14]

Answer:

$Boys = 24$

$Girls = 18$

Step-by-step explanation:

Given

$G:B= 3:4$

$Total = 42$

Required

Determine the number of boys and girls

We have to convert the ratio to fraction;

Number of girls can be calculated as:

$Girls = \frac{G}{G + B} * Total$

$Girls = \frac{3}{3 + 4} * 42$

$Girls = \frac{3}{7} * 42$

$Girls = 3 * 6$

$Girls = 18$

$Boys = Total - Girls$

$Boys = 42 - 18$

$Boys = 24$

3 0

3 years ago

Please need help please ksjdjdnbdbfhfhfhfjfjfjfjfjfhjfjcjf

Lera25 [3.4K]

$2y = 10x \\ y = 10x \div2 = 5x$
$\frac{ {x}^{2} }{64} - \frac{y^{2} }{36} = 1 \\ \frac{ {x}^{2} }{64} - \frac{(5x)^{2} }{36} = 1 \\ \frac{ {x}^{2} }{64} - \frac{25x^{2} }{36} = 1$
A

8 0

3 years ago