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Molodets [167]
1 year ago
6

I need help figuring out the answer … I’m confused

Mathematics
1 answer:
ss7ja [257]1 year ago
6 0

1st step. Calculate the area of the parallelogram

We can use the following formula:

A=b\cdot h

where,

base, b = 9 km

height, h = 5 km

Therefore,

A=9\cdot5=45

The area of the parallelogram is 45 km^2

2nd step. Calculate the area of the triangle

Let's use this formula:

A=\frac{b\cdot h}{2}

where,

base, b = 6 km

height, h = 3 km

Therefore,

A=\frac{6\cdot3}{2}=9

The area of the triangle is 9 km^2

3rd step. calculates the ratio of the area of the parallelogram to the area of the triangle

r=\frac{A_P}{A_T}=\frac{45}{9}=5

Answer: the area of the parallelogram is 5 times greater than the area of the triangle.

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Quiz question!! i need help fast !
mixas84 [53]

Answer:

200-5x and 90

Step-by-step explanation:

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and then it would be 5x22 which is 110

so 200-110=90

7 0
3 years ago
The mean of 6 numbers is 8.
shutvik [7]

Answer: 8

Step-by-step explanation:

Given

Mean of the numbers is 8

If the ratio is 1:1:2:2:3:3

Suppose the numbers are x, x, 2x, 2x, 3x, 3x

Write the mean of the numbers

\Rightarrow \dfrac{x+x+2x+2x+3x+3x}{6}=8\\\\\Rightarrow \dfrac{12x}{6}=8\\\\\Rightarrow x=4

So, the numbers are 4, 4, 8,8 ,12,12

As the total numbers are even, median is the sum of the middle values

\Rightarrow \text{Median=}\dfrac{8+8}{2}\\\\\Rightarrow \text{Median=}8

8 0
3 years ago
Dave buys a baseball for $15 plus an 8% tax. Mel buys a football for $20 plus an 8$ tax. How much did each person pay?
-Dominant- [34]
Dave pays $15 and tax is $1.2 so dave spent a total of $16.20.

Mel pays $20 and tax is $1.6 so Mel spent a total of $21.60.

All you need to do is convert the percent to a decimal, so take 8 and divide by 100 and you get 0.08. then you need to  multiply the cost by the tax so 15*0.08=1.2 then you just add tax to original amount 15+1.2=16.2
:)
5 0
3 years ago
Read 2 more answers
Use substitution to solve the system of equations.
kakasveta [241]

Answer:

C (let me know if I am wrong!)

Step-by-step explanation:

We need to solve the equation.

If 5x+y = -24, then -24 - 5x = y.

x+ 3(-24-5x) = -2

= -14x-72=-2

= -14x-72+72=-2+72

= -14x=70

= -5

If x = -5, then -5 + 3y = -2.

3y = -2+5

3y = 3

y=1

So the answer is C.

4 0
3 years ago
Help please! This is a Calculus AB question!
Lynna [10]

Answer:

½ ln 3

Step-by-step explanation:

∫ sec²x / tan x dx

If u = tan x, then du = sec²x dx.

∫ du / u

ln|u| + C

ln|tan x| + C

Evaluate between π/4 and π/3.

ln|tan(π/3)| + C − (ln|tan(π/4)| + C)

ln|√3| + C − ln|1| − C

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½ ln 3

7 0
4 years ago
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