Four graphs are shown below:

Mathematics

2 answers:

-Dominant- [34]4 years ago

8 0

The answer is graph A. The Line is going up, which indicates that it is positive and the line is straight and consistent which indicates that it is linear.

NNADVOKAT [17]4 years ago

3 0

Graph A. The line stays straight, making it linear, and it goes up, making it positive.

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If (x + 2 ) is a factor of x3 − 6x2 + kx + 10, k =

BartSMP [9]

If a binomial x-a is a factor of a polynomial p(x), then p(a)=0.

x+2 is a factor of p(x)=x³-6x²+kx+10, so p(-2)=0.

$p(-2)=0 \\
(-2)^3 - 6 \times (-2)^2 + k \times (-2) + 10=0 \\
-8-6 \times 4-2k+10=0 \\
-8-24-2k+10=0 \\
-2k-22=0 \\
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\boxed{k=-11}$

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4 years ago

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Steve changed 600 US dollars into 480 Euros. How many Euros did he receive for each US dollar?

Vlad [161]

Answer:

the answer is 4/5 which is .8

Step-by-step explanation:

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3 years ago

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Simplify Will give brainiest to person who solves all the problems in picture.

Reika [66]

Answer:

$\sqrt{10+4\sqrt{6 }$ = 4.44948

or = $\sqrt{6} + 2$

step by step...solving

10 + 4 $\sqrt{6}$

add/subtract $\sqrt{6}$ ² = 6

=10 + 4 $\sqrt{6}$ + $\sqrt{6}$ ² - 6

Refine

= $\sqrt{6}$ ² + 4 $\sqrt{6}$ + 4

rewrite ↑ as $\sqrt{6}$ ² + 2 $\sqrt{6}$ * 2 + 2²

apply Perfect Square Formula (a + b)² = a² + 2ab +²

a = $\sqrt{6}$ , b=2

= ( $\sqrt{6}$ + 2)²

= $\sqrt \sqrt({6}+ 2)$ 2square

(the 2 square would not fit like i wanted it to)

apply radical rule $\sqrt[n]{a^{n} } = a$ , assuming a ≥ 0

= $\sqrt{6} + 2$

posting others as picture (have an account with Symbolab to help me as well. Just taking too long to type in the step by step if you need it. all pictures have the decimal result.