Pls help 7th grade math

Answer:

b is the answer

Step-by-step explanation:

Solve it and take y in right hand side

Answer:

The answer is 6cm

Step-by-step explanation:

Answer:

12.5 minutes

Step-by-step explanation:

Given that,

Fernando can run 600 meters  in 5 minutes.

We need to find how many minutes would it take him to run 1500 meters.

ATQ,

600 m = 5 min

1 m = (5/600) min

For 1500 m,

[tex]t=\dfrac{5}{600}\times 1500\\\\t=12.5\ min[/tex]

So, it will take 12.5 minutes to run 1500 m.

The length of each side of her bedroom is 12 feet.

Here,

Laura's new bedroom is in the shape of a square and has an area of 144 ft2.

We have to find the length of each side of her bedroom.

What is Area of square?

If the side of a square is 'x' then, Area of square is [tex]x^{2}[/tex].

Now,

Laura's new bedroom is in the shape of a square and has an area of 144 ft2.

Let length of each side is x.

Then,

[tex]x^{2} = 144\\\\x = \sqrt{144} \\\\x = 12[/tex]

Hence, The length of each side of her bedroom is 12 feet.

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Answer:

196 inches

Step-by-step explanation:

1yd=36in

36x2=72

72x2+26x2=196

Answer:

Maria's homework time is now 9 hours 12 minutes.

Step-by-step explanation:

Since Maria decides to increase her homework time by 15%.

Then,

15% of 8 hours = [tex]\frac{15}{100}[/tex] x 8 hours

                        = 0.15 x 8 hours

                        = 1.2 hours

(Note that: 1.2 hours = 1 hour 12 minutes)

15% of 8 hours = 1 hour 12 minutes

her new homework time = 8 hours + 1 hour 12 minutes

                              = 9 hours 12 minutes

Maria's homework time is now 9 hours 12 minutes.

Answer:

Step-by-step explanation:

you are given the law of sines, in the question, so i'm guessing you don't get "law of sines" ???  

some times I think people might just be lazy and they don't try, but I can understand if you really don't get "law of sines' b/c it is kinda abstract.

Any way here is how you solve this problem and please ask if you don't understand about something I do to solve this.   Ask about it if you don't get it.  :)

Sin(45) / c   = Sin(45) / 3  

now algebraically solve for c

3* Sin(45) / Sin(45)  = c

if you're thinking the answer is 3 you're right.

indecently , if you didn't notice, this is an isosceles triangle and they do have the same length legs.   so  you know that x = 3 right away from that, but, it's good to understand Law of Sines as well.  :)  

Answer:

Answer is in her photo

Step-by-step explanation:

i dont remember need the points though

Answer:

5; -22

Step-by-step explanation:

A linear function has a positive relationship and as such an increase in one variable (input variable) causes an increase in the other variable (output variable) i.e the variables are directly proportional.

Given the following data;

Input: 1 2 3 4 n

Output: -10 -13 -16 -19

For an input variable of 1, 2, 3, 4; the output variable is -10, -13, -16, -19 respectively.

To find the value of n;

We can deduce that the input is increasing by a value of 1.

Thus, n = 4 + 1 = 5

For the output;

We can deduce that the output is increasing by a value of -3.

Thus, the next output = -19 + (-3) = -22

Answer:

5; -22

Step-by-step explanation:

Hope this will help

Answer:

When you divide both sides of an inequality, you need to flip the inequality sign.

Step-by-step example:

-8x > 72

Divide both sides by -8

x < -9

Answer: d=20?

Step-by-step explanation:

Answer:

the answer is 85.96

Step-by-step explanation:

Hope this helps, =)

Answer: x = 3

isolate x by adding 4 to each side

2x = 6

Divide by 2 to get x

x = 3

Answer:

(The picture is not really clear but I hope this is right)

1. 50

2. 9

3. 16

4. 14

5. 60

Step-by-step explanation:

To find the area all you have to do is multiply the base x  width using the formula B x W = A where B is the base, W is the width and A is the area.

1. 5 x 10 = 50

2. 3 x 3 = 9

3. 4 x 4 = 16

4. (Is that a 1 or 7?) 2 x 7 = 14

5. (Assuming that is 6) 10 x 6 = 60

Hope this helps :)

Answer:

The answer is 42 there you go

Step-by-step explanation:

Answer:

(4, -3) reflected over the X axis is (4,3)

Step-by-step explanation:

Answer:

b. the stage

Step-by-step explanation:

The stage typically has a stage clip on either side to hold the slide firmly in place.

Answer:

Answer:Rolling a odd number is 1/5 and rolling a number less than five is 3/5

Step-by-step explanation:

Answer:

Price after sale: $4.04

$0.71 saved

Step-by-step explanation:

Answer:

107

Step-by-step explanation:

x=180-73

x=107

hope it helps

Answer: Loss, 200 Rs

Step-by-step explanation:

Given

Sharad bought  a quintal of onion i.e. [tex]1000\ kg[/tex] for [tex]Rs.\ 2000[/tex]

So, the cost price of onion is

[tex]\Rightarrow \dfrac{2000}{100}=20\ \text{Rs per kg}[/tex]

He sells it at [tex]18\ \text{Rs. per kg}[/tex]

Here, the Selling price is less than the cost price

So, he incurs a loss of [tex]2\ \text{Rs per kg}[/tex]

For a quintal it is

[tex]\Rightarrow 2\times 100=200\ \text{Rs}[/tex]

[tex]\Rightarrow \text{Loss }\ \%=\dfrac{C.P.-S.P.}{C.P.}\times 100\\\\\Rightarrow \text{Loss }\ \%=\dfrac{20-18}{20}\times 100=10\%[/tex]

Step-by-step explanation:

61 + 90 = 151 degree

180 - 151 = 29 degree

180 - 29 = 151 degree is x value

By applying Pythagorean's theorem, the hypotenuse of this triangle is equal to: D. √32 inches..

Given the following data:

Adjacent side = 4 inches

Opposite side = 4 inches.

In order to calculate the hypotenuse of this triangle, we would apply Pythagorean theorem.

Mathematically, Pythagorean's theorem is given by this formula:

c² = a² + b²

Where:

Substituting the given parameters into the formula, we have;

c² = 4² + 4²

c² = 16 + 16

c² = 32

c = √32 inches.

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