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3 years ago

Please help.god bless you all

Mathematics

1 answer:

geniusboy [140]3 years ago

3 0

Answer:the square footage of the parallelogram is 299 square feet.

Step-by-step explanation:

The formula for determining the area of a parallelogram is expressed as

Area of parallelogram = length × perpendicular height.

From the digram shown,

Length of the parallelogram is 23 feet.

perpendicular height of the parallelogram is 13 feet

Area of parallelogram = 23 × 13 = 299 square feet.

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Need help on this certain question

laila [671]

Answer:

As x increases , y decreases then increases

Step-by-step explanation:

There are two situation

1> when x < 0

2> when x>= 0

let see

when x < 0

we see that as value of x moves from -ve value towards zero (i.e x is increasing) then value of y is decreasing( value of x has moved from positive side of y( above x-axis) towards negative side of (below x-axis)\

Thus, we can say that

for x < 0

As x increases , y decreases

________________________________________

when x>= 0

we see that as value of x moves from 0 towards +ve value(i.e x is increasing) then value of y is increasing( value of x has moved from negative side of y( below x-axis) towards positive side of (above x-axis)\

Thus, we can say that

for x >= 0

As x increases , y increases

_________________________________________

combining both observation it can be said that

As x increases , y decreases then increases which is equal to fouth option

8 0

3 years ago

Delilah does 184184184 jumping jacks in 444 minutes. She does her jumping jacks at a constant rate.

denis23 [38]

She does 414,829.24324324 per minute.

184,184,184÷444= 414,829.24324324

5 0

3 years ago

Read 2 more answers

Mr. Taylor's 4th grade class uses Skittles to learn about probability. They open several randomly selected bags of Skittles and

kap26 [50]

Answer:

The skitties are not evenly distributed by colour

Step-by-step explanation:

Given that Mr. T aylor's 4th grade class uses Skittles to learn about probability. They open several randomly selected bags of Skittles and sort and count the different colors and want to determine if Skittles are evenly distributed by color.

$H_0: Skitties are equally distributed\\H_a: atleast two are not equally distributed$

(Two tailed chi square test)

If all are equally distributed then expected values would be equal to 420/5 =104

Observed Red Orange Yellow Purple Green Total

107 101 87 115 10 420

Expected 104 104 104 104 104 420

Chi square 0.0865 0.0865 2.7788 1.16345 84.9615 89.0769

Chi square is calculated as (obs-exp)^2/exp

Total chi square = 89.0769

df = 4

p value = <0.00001

Reject null hypothesis

The skitties are not evenly distributed by colour

3 0

3 years ago

Sue can ride her bike 14 km/hr faster than she can walk. It takes 17.5 min longer to walk 2.5 km

alekssr [168]

Answer:

6 km/hr

Step-by-step explanation:

Sue can ride her bike 14 km/hr faster than she can walk. So for each step, add 14 km/hr.

Solve

$-17.5r^2-245r+2100=0 \\\\r^2+14r-120=0 \\\\(r-6)(r+20)=0\\\\$

Therefore, it is 6.

5 0

3 years ago

What is the answer please help

Lena [83]

Answer:

I don't see a problem on the screen

Step-by-step explanation:

6 0

3 years ago