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4 years ago

Only need help with number 9 plz help me

Mathematics

1 answer:

Stells [14]4 years ago

8 0

20% of 98 acres

first convert 20% into a decimal value
20% = 0.20

then multiply 0.20 with 98
0.20*98 =?

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Stacy went to Staples to purchase ink cartridges for her printer. The cartridges were 17.50 . What was the final cost of the car

shutvik [7]

To get the total cost, add the tax rate to 1, then multiply that by the price of the cartridge:

Total: 17.50 x 1.0925 = $19.12

6 0

3 years ago

Read 2 more answers

Fill in the blank. In the triangle below, y=

arsen [322]

Answer:

47.10

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that ...

... Cos = Adjacent/Hypotenuse

The value y is the length of the hypotenuse, and the given length 35 is the side adjacent to the given angle. Thus, the cosine relationship will be helpful.

Filling in the given values, we have ...

... cos(42°) = 35/y

Multiplying by y/cos(42°), we can find y to be ...

... y = 35/cos(42°) ≈ 35/0.7431

... y ≈ 47.10

Y will be approximately 47.10 in length

Step-by-step explanation:

we will use this form that we memorized in our schools ............. SOH CAH TOA

CAH means , Cos ∅= Adjacent/Hypotenuse

Given values

∅ =42°

hypotenuse= y

adjacent side length = 35

now putting in our values into

Cos ∅= Adjacent/Hypotenuse

cos(42°) = 35/y

by multiplying y on both sides we get

y= 35/cos( 42°)

cos(42°)= 0.743

so y= 35/0.743

y = 47.10632

y ≈ 47.10

3 0

3 years ago

(with solution)

Lunna [17]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

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

(1)

Here m = 6 and b = - 2, then

y = 6x - 2

(2)

The equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

Here m = - 2 and b = 5, then

y = - 2x + 5 ← equation in slope- intercept form

Add 2x to both sides

2x + y = 5 ← equation in standard form

(3)

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (6, - 13) and (x₂, y₂ ) = (- 4, - 3)

m = $\frac{-3+13}{-4-6}$ = $\frac{10}{-10}$ = - 1 , then

y = - x + b ← is the partial equation

To find b substitute either of the 2 points into the partial equation

Using (- 4, - 3 ) , then

- 3 = 4 + b ⇒ b = - 3 - 4 = - 7

y = - x - 7 ← equation in slope- intercept form

Add x to both sides

x + y = - 7 ← equation in standard form

8 0

3 years ago

Suppose there are 25 students attending Friday lectures on Statistics.

AnnyKZ [126]

The answer is A because B doesn't make sense

4 0

4 years ago

Kevin Fast pulled a CC- 177 Globemaster airplane 8.8m. he plane weighed 188 tons. How many pounds did the lane weigh?

DedPeter [7]

Answer:

376000 pounds

Step-by-step explanation:

What's required of this question is to convert the given weight of plane from tons to pounds

Given

$Weight = 188\ tons$

Required

Get pounds equivalent

From standard unit of measurements

$1\ ton = 2000\ pounds$

Multiply both sides by 188

$188 * 1\ ton = 188 * 2000\ pounds$

$188\ tons = 376000\ pounds$

<em>Hence, the weight of the plane in pounds is 376000</em>

3 0

3 years ago