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3 years ago

PLZ HELPPPPPPPPPPPPPPPP

Mathematics

2 answers:

Sedbober [7]3 years ago

5 0

I believe it’s 9x+1

Add all the equations/side values together

skelet666 [1.2K]3 years ago

3 0

9x+1 is the answer for this problem

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PLEASE HELPP!<br> A square has an area of 5.76cm². Find the perimeter of the square

nikdorinn [45]

The ar. of square =X^
=5.76
So,X=√5.76
=2.4
now, perimeter of square =4(X)
=4(2.4)
=9.6
So, the perimeter of the square is 9.6cm..

Thanks!

Hope it helps you..

4 0

3 years ago

Kip shoots a basketball from the three-point line and wins the game for his team. Which of the following is the reaction force?

mixer [17]

B, the basketball moving into the basket

6 0

3 years ago

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Calculate the length of AB. Round to the nearest tenth.

marissa [1.9K]

Answer:

AB = 10.06 cm

Step-by-step explanation:

Consider the given figure,

We have to find the length of side AB.

Lets rename the figure first, ABCD forms a rectangle. So , CB = DA = 12 cm

Also, EA = ED +DA ⇒ 15 = ED + 12 ⇒ ED = 15 - 12 ⇒ ED = 3 cm

Pythagoras theorem states that in a right triangle the sum of square of base and perpendicular is equal to square of hypotenuse.

Using, Pythagoras Theorem on Δ EDC,

$(EC)^2=(ED)^2+(DC)^2$

ED = 3 cm , EC = 10.5, Substitute, we get,

$\Rightarrow (10.5)^2=(3)^2+(DC)^2$

Solve for DC, we get,

$\Rightarrow 110.25=9+(DC)^2$

$\Rightarrow 110.25-9=(DC)^2$

$\Rightarrow (DC)^2=101.25$

$\Rightarrow DC=\sqrt{101.25}$

$\Rightarrow DC=10.06$

Since, ABCD is a rectangle. Thus, DC = AB

Hence, AB = 10.06 cm

7 0

3 years ago

Read 2 more answers

Suppose a person eats 2000 food calories on average per day. Note that 1 calorie= 4.184 joules and a food calorie = 1000 calorie

Crazy boy [7]

Answer: $0.097\text{\ J/s}$

Step-by-step explanation:

Given : 1 calorie= 4.184 joules

A food calorie = 1000 calories = 4184 joules.

Then, 2000 food = $2\times4184=8368$ joules [By Unitary method]

We know that : $\text{Power}=\dfrac{\text{Energy}}{\text{Time}}$

Since 1 day = 24 hours

and 1 hour = 3600 seconds

Then, 24 hours = $24\cdot3600=86400$ seconds.

Now, $\text{Power}=\dfrac{8368}{86400}$

$=0.0968518518519\approx0.097\text{\ J/s}$

Hence, the average power of this intake = $0.097\text{\ J/s}$

6 0

3 years ago

Please please help me

Soloha48 [4]

The answer is D, they are independent because they intersect at one point.

7 0

4 years ago