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2 years ago

I just need one and two

Mathematics

1 answer:

Daniel [21]2 years ago

3 0

Answer:

b. is not a function

and for question 2 the answer is a.

Step-by-step explanation:

1. B is the answer because one of the inputs has more than one output

2. When you solve it and connect the dots it forms that kind of curve.

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The area of the following equilateral triangle is 62.4 square feet that is he height

Vikentia [17]

The height of this triangle would be 10.4

In order to find this, you first must find the length of the sides. Using a manipulated formula for area of an equilateral triangle, we can determine the lengths of the side. Below if the formula.

S = $\frac{2}{3}3^{\frac{3}{4}} \sqrt{A}$

In this, S is the length of the side and A is the area. So we plug in and get:

S = $\frac{2}{3}3^{\frac{3}{4}} \sqrt{62.4}$

S = $\frac{2}{3}3^{\frac{3}{4}} 7.89$

S = 12

Now that we have the side as 12, we can use the Pythagorean Theorem to find the height. If you split a equilateral triangle down the middle, you are left with two right triangles. Using this right triangle, the hypotenuse would be 12, the first leg would be 6 (half of the base) and the height would be the other leg. So we plug in and solve.

$a^{2} + b^{2} = c^{2}$

$6^{2} + h^{2} = 12^{2}$

$36 + h^{2} = 144$

$h^{2} = 108$

h = 10.4

5 0

2 years ago

Write an equivalent equation that does not contain fractions 2/3 x + 9 equals 3/4

AlekseyPX

Answer:

8x + 108 = 9

Step-by-step explanation:

Given

$\frac{2}{3}$ x + 9 = $\frac{3}{4}$

Multiply through by the lowest common multiple of 3 and 4, that is 12 to clear the fractions.

8x + 108 = 9 ← equivalent equation with no fractions

6 0

3 years ago

Chloe has 3 red pencils, 5 blue pencils, and 1 yellow pencil in her backpack . She chooses one pencil at random, puts it back, a

Gnesinka [82]

Answer:

then she only has eight pencils in the bag.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Multiplying and Dividing by Powers of 10 When multiplying a number by 10, move the decimal to the right. When multiplying a numb

just olya [345]

Answer:

Because we actually divide by 10 when a number is multiplied by 0.1.

Step-by-step explanation:

Let $a$ be a number.

When we multiply a number by 10:

$a \times 10 = 10 a$ (One '0' is increased in the number)

For example:

$23 \times 10 = 230$

Considering a decimal number:

$2.3 \times 10 = 23$

Multiplying a number with 0.1 (which is actually $\frac{1}{10}$ ) means dividing the number by 10.

$23\times 0.1 =23\times \frac{1}{10}=2.3$

Considering a decimal number:

$2.3 \times 0.1 = 2.3 \times \frac{1}{10} = 0.23$

<em>Therefore, When multiplying a number by 0.1, move the decimal to the left.</em>

6 0

3 years ago

Read 2 more answers

ALGEBRA On the first Tuesday of every month, Roth's gives seniors a 15%

iVinArrow [24]

Answer:

Let selling price of three-piece suit = x. Applying 7% sales tax, total amount paid = x + xx7 - $152.79. 100 207 100 ०१ This is the $ 152.79 os, x- $142.7943 price after marked down of 40%, let the regular price of three-piece suit be = y. Therefore y [ 3 - 4m] $342.1943 1 - - $237.99 Regular price of 1 piece suit $ 237.99

3 0

2 years ago