3. What multiplication expression
represents 7 + 7 + 7 + 7?

Answer:

b² - 4ac > 0

Step-by-step explanation:

Conditions for the discriminant

• If b² - 4ac > 0 then 2 real and distinct roots

• If b² - 4ac = 0 then 2 real and equal roots

• If b² - 4ac < 0 then no real roots

Here the roots are x = 0 and x = 4

That is 2 real and distinct roots , then

b² - 4ac > 0

Answer:

A) -2/5 gal/min

B) 25 minutes

C) 7.5 minutes

Step-by-step explanation:

A) We are told that the tank contains 12 gallons of water when Jada first sees it.

5 minutes later, it loses two gallons to become 10 gallons.

Thus, rate at which the amount of water in the tank changing = -2/5 gal/min

B) After 5 minutes it contains 10 gallons. Since it drains at 2/5 gal/min, let us say the time to finish draining all is x, thus;

2/5 • x = 10

x = 10 × 5/2

x = 25 minutes

C) When full, it can hold up to 15 gallons. This is 3 more than the 12 she saw when she arrived.

Thus;

2/5 • y = 3

y = 5 × 3/2

y = 7.5 minutes

Answer:

D

Step-by-step explanation:

the center is (0,8)

(to solve this just flip the signs on the constants being added to x and y (there is an invisible constant of 0 being added to the x))

the radius is 7 (or √49)

Answer:

12 square inches

Step-by-step explanation:

12 square inches

Answer:

the answer is the first one

6 square inches

what are the statements?

Answer:

12x + 15y

Step-by-step explanation:

3 x 4x= 12x

3 x 5y = 15y

Answer:

12.56km

Step-by-step explanation:

Circumference of circle=2pi r

Set pi=3.14

2xpix2=12.56km

Answer:

[tex] \frac{10}{5} = \frac{x}{5} \\ 5x = 50 \\ x = 10[/tex]

Answer:

x=5.8m after converting into 1 decimal place

Step-by-step explanation:

Answer:

The answer is given below.

Step-by-step explanation:

Let us assume the cost of the video game be x

There should be two chances

The first one is

that the cost of the video game should be equivalent to the amount given

SO

The return is $0

The second one is

When the cost of the video game is less than the amount you pay

SO, the return change is

= $50 - x

Answer:

The scale “1 inch to 6 feet” is equivalent to the scale “1 to 72,” because there are 72 inches in 6 feet. The scale “1 to 100” would make a scale drawing that is smaller than the scale “1 to 72,” because each inch on the new drawing would represent more actual length.

Step-by-step explanation:

MARK AS BRAINLIEST!

Answer:

So 12 inches are 1 foot

Step-by-step explanation:

so 6 feet would be 72 inches

Answer:

Is it a right triangle?

If it is, the angle you are looking for is 44 degrees

Step-by-step explanation:

Answer:

The answer would be the first one, combining 8 and -2

Step-by-step explanation:

This is because the 2 like terms are 8x^2 and -2x^2. You can get this by looking in the problem. There are 2 terms with x^2 which means we have to combine them. One of them is 8x^2 (the 1st one) and the other is -2x^2 (since it says 7-2x^2)

If you combine these you will get 6x^2 [8+(-2)=6]

Answer:

the answer is A on edg

Step-by-step explanation:

good luck

Answer:

118.0 in^3

Step-by-step explanation:

Answer:

umm where is question?

Step-by-step explanation:

MARKMEASBRAINLISTPLS

Answer:

see explanation

Step-by-step explanation:

The nth term ( explicit formula) of a geometric sequence is

[tex]a_{n}[/tex] = a₁ [tex](r)^{n-1}[/tex]

where a₁ is the first term and r the common ratio

Here a₁ = - 2 and r = [tex]\frac{a_{2} }{a_{1} }[/tex] = [tex]\frac{\frac{4}{3} }{-2}[/tex] = - [tex]\frac{2}{3}[/tex] , then

[tex]a_{n}[/tex] = - 2 [tex](-\frac{2}{3}) ^{n-1}[/tex] ← explicit formula

Answer:

Step-by-step explanation:

The formula for an explicit geometric formula (as opposed to a recursive one) is

[tex]a_n=a_1(r)^{n-1}[/tex] where a(n) is representative of the position of a number in the sequence, a(1) is the first number in the sequence, and r is the common ratio. The common ratio is the same number that must be either multiplied in or divided out to get to the next number in the term. Notice that the top numbers in our sequence are doubling which implies we are multiplying the top numbers by -2, and the bottom numbers are going up by multiples of 3. So our common ratio is -2/3. Try it and see:

[tex]-2(-\frac{2}{3})=\frac{4}{3}[/tex]  and

[tex]\frac{4}{3}(-\frac{2}{3})=-\frac{8}{9}[/tex] etc.

Therefore, the explicit geometric formula for this sequence is

[tex]a_n=-2(-\frac{2}{3})^{n-1[/tex]

You can use this formula to find any number in the sequence; for example, if you wanted to know the 100th number in this sequence, simply replace n with 100 and do the math. That's what an explicit formula is used for.

Answer: a - complementary (im not completly sure tho)

Step-by-step explanation: a complementary is either of two angles whose sum is 90°

Answer:

-1

Step-by-step explanation:

20 / -1 = -20

Answer:

Area cover by solar panel to face = 9,600 feet²

Step-by-step explanation:

Given:

Length of Solar panels = 240 feet

Width of Solar panels = 40 feet

Find:

Area cover by solar panel to face

Computation:

Area of rectangle = Length × Width

Area cover by solar panel to face = Length of Solar panels × Width of Solar panels

Area cover by solar panel to face = 240 × 40

Area cover by solar panel to face = 9,600 feet²

Answer:

Area cover by solar panel to face = 9,600 feet², The panels are about 340 feet Long, and 40 feet Wide. The area of this rectangle is a Length x Width.

Step-by-step explanation:

I don't really know if this helps, but If you use it change some words since this is what I wrote, or because we might have the same school districts, I don't want any trouble.. But if you need help understanding a bit more, ask me! ^.^

If this does help: Your welcome, bubs <3

Answer:

.005

Step-by-step explanation:

the leading zeros dont count also round up

Answer:

GH 5000

Step-by-step explanation:

Given data

Cost price=  GH 2000.00

Percent profit= 60%

Sales price =???

The sale price can be found  as

% profit= sale-cost/sale*100

60= sale-2000/sale*100

60= 100*sale-200000//sale

60*sale= 100sale-200000

1000sale-60sale= 200000

40sale= 200000

sale= 200000/40

sale= 5000

Hence the sales price = GH 5000

Answer:

,4 feet is the height of the tree

Answer:

Step-by-step explanation:

Answer:

x=7.6

Step-by-step explanation:

(x-2)= -14x+112

x= -14x + 114

15x= 114

15 15

x=7.6

Answer:i think it would be 75 cents

Step-by-step explanation:

125 divided by 5 and you get 25, then you fo 25 times 3

Answer:

75 cents

Step-by-step explanation:

x= 5 kilometers

y= 3 cents

y/x= rate of change

3/5= 0.6

125 kilometers is the x variable so y= 0.6(125)

y= 75

Answer:

Mid point:

[tex] = ( \frac{3 + - 5}{2} , \: \frac{1 + 8}{2} ) \\ = ( - 1, \: 4.5)[/tex]

distance:

[tex] = \sqrt{ {( - 5 - 3)}^{2} + {(1 - 8)}^{2} } \\ = \sqrt{64 + 49} \\ = \sqrt{113} \\ = 10.6 \: units[/tex]

slope:

[tex] = \frac{1 - 8}{ - 5 - 3} \\ = \frac{ - 7}{ - 8} \\ = \frac{7}{8} [/tex]

Answer:

r = 6 in

Step-by-step explanation:

[tex]V = \pi r^{2} \frac{h}{3}[/tex] = [tex]216\pi[/tex]

r²h/3 = 216

r² (18/3) = 6 r² = 216

r² = 216/6 = 36

r = 6

Answer:

The hypotenuse is (root) 84.25

Step-by-step explanation:

4.5^2 + 6^2 = x^2 (hypotenuse)

20.25 + 36 = 84.25

x^2 = 84.25

x = (root) 84.25 or 9.1787...