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3 years ago

15

Lin is selling boxes of cookies for 3.75 for each box (b). She wants to earn at least $30 this week.Write and solve an inequalit

y to determine how many boxes of cookies Lin needs to sell to reach her goal. Select ALL the choices below that represent this situation.

1 answer:

tresset_1 [31]3 years ago

7 0

Answer:

she needs atleast 8 boxes

Step-by-step explanation:

30 divided by 3.75 is 8.

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find the side lengths of each triangle. I can't figure out the formula. awnsers with work would be most helpful. Im having most

34kurt

18. (if you needed it)

The triangle is an equilateral triangle, it has 3 congruent/equal side lengths and 3 congruent angles.

To find "z", you can set the sides equal to each other (you can just do two sides since they are all suppose to be the same lengths)

z + 5 = 4z - 4 Subtract z on both sides

5 = 3z - 4 Add 4 on both sides

9 = 3z Divide 3 on both sides

3 = z

Plug this into one of the sides

z + 5

3 + 5 = 8 Each side is 8

[proof]

z + 5

3 + 5 = 8

4z - 4

4(3) - 4

12 - 4 = 8

3z - 1

3(3) - 1

9 - 1 = 8

19. This is an isosceles triangle, which is a triangle that has 2 congruent sides and 2 congruent angles. (The red tick marks shows that the sides are the same/equal)

Since the 2 sides are the same length, you can set them equal to each other to find "x":

2x + 6.8 = 8x + 1.4 Subtract 2x on both sides

6.8 = 6x + 1.4 Subtract 1.4 on both sides

5.4 = 6x Divide 6 on both sides

0.9 = x

Now that you know x, you can find the sides:

2x + 6.8

2(0.9) + 6.8

1.8 + 6.8 = 8.6

8x + 1.4

8(0.9) + 1.4

7.2 + 1.4 = 8.6

The two side lengths are 8.6

5 0

4 years ago

PLEASE HURRY! (And only respond if you know the answer please.)

Novosadov [1.4K]

Answer:

Step-by-step explanation:

If the no of standard version downloads = 230

Then higher version is twice than that = 460

Total = 2.1 x 230 + 4.9 x 460 = 2737

3 0

3 years ago

Suppose you invest $200 a month for 7 years into an account earning 9% compounded monthly. After 7 years, you leave the money, w

never [62]

Answer:

$172,806.37.

Step-by-step explanation:

Total = [ P(1+r/n)^(nt) ] + [ PMT × (((1 + r/n)^(nt) - 1) / (r/n)) ] * (1 + r/n)

is the formula for the amount left after the first 7 years where the money is deposited at the beginning of each month and P = initial amount, PMT = monthly payment, r = rate as a decimal and t = time in years.

Total after the first 7 years

= [ 200(1+0.09/12)^(7*12) ] + [ 200 × (((1 + 009/12)^(7*12) - 1) / (0/09/12) ] * (1 + 0.09/12)

= 374.64 + (200 * 0.8732019633) / (0.09/12) * (1 + 0.09/12)

= 374.64 + 23485.386 * 1.0075

= $24.036.17

Total after a further 22 years:-

= 24.036.17(1 + 0.09/12)^(12*22)

= $172,806.37 (answer).

3 0

3 years ago

Joy organised a large wedding guests had to choose their meal from beef, chicken or veg 1/3 of the guest chose beef 5/12 of the

Evgesh-ka [11]

Answer:

276

Step-by-step explanation:

5/12+1/3=5/12+4/12=9/12

12/12-9/12= 3/12

3/12=69

1/12=23

23 times 12 is 276

please vote me as brainliest!!<3

7 0

3 years ago

How many cubic units is a box that is 3 units high, 3 units wide, and 2 units deep?

vivado [14]

Answer:

volume of the box is 18 cubic units.

Step-by-step explanation:

A box that measures 3 units high, 3 units wide, and 2 units deep

hieght of the box= 3

lenght of the box is 2 and width of the box is 3

To find cubic units we determine the volume of the box

volume = length times width times height

Volume of the box= $2 \cdot 3 \cdot 3= 18$

the volume of the box is 18 cubic units.

6 0

3 years ago

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