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3 years ago

If 6 tomatoes are for $4, how much does 15 tomatoes cost?

Mathematics

1 answer:

Mariana [72]3 years ago

3 0

$22.50 is the cost of 15 tomatoes

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Evaluate 3x^2- 9 when x=-2

murzikaleks [220]

Answer:

Step-by-step explanation:

We know x = -2, so we can substitute -2 in for x

3x^2- 9

3*-2^2-9

Solve the exponent first (PEMDAS)

3*4-9

Multiply next

12-9

Subtract

6 0

3 years ago

Read 2 more answers

Determine if the two triangles are congruent. If so, select the appropriate congruence postulate. If not, select the reason why.

morpeh [17]

Answer:

Asa

Step-by-step explanation:

Because if u look left to right on one triangle there is a angle and in between they have a com on line and on the right theres another angle so There for it’s angle side angle

4 0

2 years ago

Una piscina rectangular de 15 metros de largo por 9 metros de ancho està rodeada por un

stira [4]

Answer: 2 meters.

Step-by-step explanation:

Let w = width of the cement path.

Dimensions of pool : Length = 15 meters , width = 9 meters

Area of pool = length x width = 15 x 9 = 135 square meters

Along width cement path, the length of region = $2w+15$

width = $2w+9$

Area of road with pool = $(2w+15) (2w+9)$

$= 4w^2+30w+18w+135\\\\=4w^2+48w+135$

Area of road = (Area of road with pool ) -(area of pool)

$\Rightarrow\ 112 =4w^2+48w+135- 135\\\\\Rightarrow\ 112= 4w^2+48w\\\\\Rightarrow\ 4 w^2+48w-112=0\\\\\Rightarrow\ w^2+12w-28=0\ \ \ [\text{Divide both sides by 4}]\\\\\Rightarrow\ w^2+14w-2w-28=0\\\\\Rightarrow\ w(w+14)-2(w+14)=0\\\\\Rightarrow\ (w+14)(w-2)=0\\\\\Rightarrow\ w=-14\ or \ w=2$

width cannot be negative, so w=2 meters

Hence, the width of the road = 2 meters.

8 0

3 years ago

HELP ASAP PLEASE HELP NOW

kow [346]

Answer:

the 2nd option f(-4) = g(-4) and f(0) = g(0)

Step-by-step explanation:

the right answer was the same x and sampe y. it means in their intersection for both f(x) anad g(x)

so the correct answer is f(0) = g(0) and f(-4) = g(-4)

4 0

2 years ago

Katrina saved $200 to purchase your tablet her father spent ten times as much money to buy his new computer how much did her fat

RideAnS [48]

I believe it would be $2,000. $200 x 10

7 0

3 years ago