Need help quick please

Step-by-step explanation:

f(-1) = [(-1) + 8]² + 21 = 7² + 21 = 70.

Answer:

(x+8) 2+21

..................

Answer:

0.1875, or 3/16

Step-by-step explanation:

The formula for density is mass/volume.

I hope this helps :)

Answer:

[tex]{\boxed {\sf \frac{3}{16} \ g/cm^3}}[/tex]

or

[tex]\boxed {\sf 0.1875 \ g/cm^3}}[/tex]

Step-by-step explanation:

Density can be found by dividing the mass by the volume.

[tex]\rho= \frac{m}{v}[/tex]

The mass of the cork is 3 grams and the volume is 16 cubic centimeters.

[tex]m= 3 \ g\\v= 16 \ cm^3[/tex]

Substitute the values into the formula.

[tex]\rho = \frac{3 \ g }{16 \ cm^3}[/tex]

Divide.

[tex]\rho=\frac {3}{16} \ g/cm^3[/tex]

[tex]\rho=0.1875 \ g/cm^3[/tex]

The density of the cork is 3/16 or 0.1875 grams per cubic centimeter.

Step-by-step explanation:

By Sine Rule, 13/sin96° = x/sin25°.

Hence, x = 13sin25°/sin96° = 5.5.

Answer:

2(w - 6)

Step-by-step explanation:

subtract 6 from w and then multiply by 2

Answer:

C

Step-by-step explanation:

Answer:

its c

Step-by-step explanation:

i just did it

6×+8=14 5×+2=7 14×7=98 ∆m=4.66

Answer:

A

Step-by-step explanation:

Remark

f and d are equal (and acute) because they are corresponding angles.

82 and f are supplementary, so we can find f

Finding f

f + 82 = 180

f = 180 - 82

f = 82

Finding d

d = f

d = 82

Answer:

The temperature on the first day was 10 °F.

Step-by-step explanation:

Let's find the temperature in every single step starting from the fourth day:

[tex]T_{4} = T_{3} - 6 F = 1 F[/tex]          

[tex] T_{3} = 1 F + 6 F = 7 F [/tex]

Then, the temperature of the third day was 7 °F

On the third day:

[tex] T_{3} = T_{2} - 10 F = 7 F [/tex]

[tex] T_{2} = 7 F + 10 F = 17 F [/tex]

Hence, the temperature on the second day was 17 °F.

Now, on the second day:

[tex]T_{2} = T_{1} + 7 F = 17 F[/tex]  

[tex] T_{1} = 17 F - 7 F = 10 F [/tex]

Therefore, the temperature on the first day was 10 °F.

I hope it helps you!                        

Answer:

108n

Step-by-step explanation:

88n+20n

=108n

You have to prove that 2 angles are conguent to the other triangles angles; example: ∠A≅∠C by the additon POC (2 of those) and then one side; example: AB≅BA by the reflexive POE (1 of those)

I cant see the triangles but thats how you do them, also im learning this right now too, look up the triangle congruence things like ASA ≅ SSS≅ HL≅ exc. a chart will explain how to prove them using that:

Answer:

C) 140

Step-by-step explanation:

We can see from the diagram that mMEF + mDEM = mDEF because they share the same lines.

Therefore:

69x + 2 + 34 = 2 + 86x

Now we can solve this equation.

First we can eliminate the +2 from each side as they will cancel:

69x + 34 = 86X

And then rearrange to solve for x:

34 + 69x - 69x = 86x - 69x

34 = 17x

34/17 = 17x/17

x = 2

Now that we have the value for x, we can substitute it into the original equation:

mMEF = 69(2) +2

mMEF = 138 + 2

mMEF = 140

Therefore the correct answer is C) 140.

Hope this helped!

Answer:

14 weeks

Step-by-step explanation:

so from what we know she already learned one appetizer recipe so she needs to learn 42 more so what we need to do since it's three every week we need to multiply three until we are able to get 42 so three times 14 gets 42 so that means that the answer would be 14

9514 1404 393

Answer:

Step-by-step explanation:

The axes labels give you a clue as to the variables: time, volume.

__

The graph is a plot of volume versus time. That is, each point is the volume at a particular time.

Answer: {(0, 1), (1, 5), (2, 9)}

Step-by-step explanation:

Given linear equation: y-1=4x which can be rewritten as

y=4x+1

To find the set which represents possible inputs and outputs of the function. Let's check all the options

A. {(1, 4), (2, 8), (3, 12)}

at x=1

y=4(1)+1

⇒y=5≠4

Thus this set is not the required set.

B. {(4, 1), (8, 2), (12, 3)}

at x=4

y=4(4)+1

⇒y=16+1=17≠1

Thus this set is not the required set.

C.{(0, 1), (1, 5), (2, 9)}

at x=0

y=4(0)+1

⇒y=1

Thus this set is the required set represents possible inputs and outputs of the function.

D. {(1, 0), (5, 1), (9, 2)}

at x=1

y=5≠0

Thus this set is not the required set.

Answer:

0.75

Step-by-step explanation:

The answer is x = 6

Let us first define x to be the number of hours of riding lessons she can take.

X = Hours of lessons

Now, she has $200, she needs to pay $20 for grooming supplies, and the lessons cost $30 an hour. We to find the maximum amount of hours of lessons she can take, so in other words, we want to make her broke. To do this, we first convert the words into an equation:

200 - 20 - 30x = 0

Simplifying, we get

180 = 30x

x=6

Answer:

4 if rong so so sorry

Step-by-step explanation:

Answer:

x = -1

Step-by-step explanation:

Answer:

-1 = x

Step-by-step explanation:

2x - 4 = -2 + 4x

add 2 to both sides

2x - 4 + 2 = -2 + 2 + 4x

2x - 2 = 4x

subtract 2x from both sides

2x - 2x - 2 = 4x - 2x

-2 = 2x

divide both sides by 2

-2/2 = 2x/2

-1 = x

Answer:

n=7

Step-by-step explanation:

33-19÷2= 7

sorry if my answer is wrong

Answer:

quotient im pretty sure i haven't been in 6th grade in 2 years so sorry if im wrong

Step-by-step explanation:

Answer:

the answer is B

Step-by-step explanation:

got it right on edge

Answer:

Its b

Step-by-step explanation:

I got it right on my test

Answer:

im sorry I wish I could help are there any other questions you have?

Step-by-step explanation:

Answer: D (none of these)

Step-by-step explanation:

Answer:

Look at this

Step-by-step explanation:

Maximum

(-1,5)

next time use a resource like desmos

Answer:

He can buy 3 scoops of salts and 4 scoops of pepper or 4 scoops of salts and 3 scoops of pepper spent maximum.

Step-by-step explanation:

Given that:

The cost of salt = 50 cents / scoop =$ 0.5 / scoop

The cost of pepper =75 cents / scoop = $ 0.75 / scoop

Let he buys x scoops of salt and y scoops of pepper.

As he plans to bring home no more than 8 scoops of seasoning, so

[tex]x+y\leq8\cdots(i)[/tex]

The total cost of x scoops of salt and y scoops of pepper = 0.5x+0.75y

As he wants to spend less than $5, so

[tex]0.5x+0.75y<5 \\\\ \Rightarrow 50x+75y<500 \\\\\Rightarrow 2x+3y <20\cdots(ii)[/tex]

Here, [tex]x\geq 0, y \geq 0[/tex] and x,y are counting numbers.

On plotting the graph of equations (ii) and (ii), the possible solution is the integral values in the shaded as shown in the figure.

The maximum possible integral values, for expances less than $5, are (x,y)=(3,4), (4,3).

Hence, he can buy 3 scoops of salts and 4 scoops of pepper or 4 scoops of salts and 3 scoops of pepper to spent maximum.

Answer: 12.9 square km

Step-by-step explanation: 4.3 x 3 =12.9