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3 years ago

Solve for x (1 point)

Mathematics

1 answer:

Delicious77 [7]3 years ago

5 0

It should be 13 since 13+8 = 21. 21-7 = 13

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Which of the following equations represents the graph shown?

Sonja [21]

Answer:

It's the first one. -x+2

Step-by-step explanation:

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2 years ago

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2 years ago

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Bas_tet [7]

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2 years ago

Find the focus for y=x^2+4x-7

padilas [110]

ANSWER

$(2,-10.75)$

EXPLANATION

The given function is

$y = {x}^{2} - 4x - 7$

We rewrite this function to obtain,

$(y + 11) = {( x- 2)}^{2}$

We now compare this function to

$(y - k) = 4p {( x- h)}^{2}$

We have

$4p = 1$

This implies that,

$p = \frac{1}{4}$

The vertex is (2,-11).

The focus is

$(2,-11+ \frac{1}{4} )$

$(2,- \frac{43}{4} )$

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2 years ago

In the Sahara Desert one day it was 136oF. In the Gobi Desert a temperature of

coldgirl [10]

Answer: $186^{\circ}F$

Step-by-step explanation:

Given : In the Sahara Desert one day it was 136°F.

In the Gobi Desert a temperature of -50°F was recorded.

Clearly , 136°F> -50°F

Then, the difference between these two temperatures will be :-

$136^{\circ}F-(-50)^{\circ}F\\\\=(136+50)^{\circ}F\ \ [\because \text{Product two neagtive sign is positive]}\\\\=186^{\circ}F$

Hence, the difference between these two temperatures = $186^{\circ}F$

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2 years ago