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3 years ago

Please help me with this. an explanation would be great as well

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

6 0

Answer:

Step-by-step explanation:

test the constant 1/2 + (1/2)*(-3) = -2/2 = -1

Wittaler [7]3 years ago

6 0

Answer:

Step-by-step explanation:

y + yz

= x + $\frac{1}{2}$ + (x + $\frac{1}{2}$ )(2x - 3) ← expand factors using FOIL

= x + $\frac{1}{2}$ + 2x² - 3x + x - $\frac{3}{2}$ ← collect like terms

= 2x² - x - 1 → A

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A climber starts descending from 506 feet above sea level and keeps going until she reaches 70 feet below sea level. How many fe

Marysya12 [62]

Answer:

she descended 436 feet

Step-by-step explanation:pls mark brainliest i really want to move up a ranking

7 0

3 years ago

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What is the slope of o line that passes through (-4,-14) and (19,11)?

DerKrebs [107]

Answer:

D, see description below.

There is a possible typo in the problem since these points have slope 25/23.

Step-by-step explanation:

To find the slope of a line, calculate the distance between points with a ratio of vertical to horizontal distance. This is done using the formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Here the points are (-4,-14) and (19,11). Substitute and simplify.

$m=\frac{11--14}{19--4}=\frac{11+14}{19+4}=\frac{25}{23}$

I think there is a typo in your points (-4,-14) and (19,11) because the answer doesn't align to the answer choices. But based on them, I would answer D or 24/23 since it's the closest value.

6 0

3 years ago

The radius of a circle is 3 miles. What is the circle's diameter?

Gemiola [76]

Answer: 6 miles

Step-by-step explanation:

The diameter is 2x the radius

2 x 3 = 6

4 0

3 years ago

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I need the answer for part b

Softa [21]

Answer:

4/4

Step-by-step explanation:

1/4 plus 1/4 plus 2/4 is 4/4

4 0

2 years ago

The area A of a triangle with base b and height h is given by A = = bh. Find the area when b = 18 m (meters) and h = 30 m.

Pie

Answer:

$Area = 270m^2$

Step-by-step explanation:

Given

$A = \frac{1}{2}bh$

$b = 18m$

$h = 30m$

Required

Solve for A

Simply substitute 18 for b and 30 for h

$A = \frac{1}{2}bh$

$A = \frac{1}{2} * 18 * 30$

$A = 270$

Hence:

The area is

$Area = 270m^2$

6 0

3 years ago