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3 years ago

Pls answer I need help and I need it now pls answer

Mathematics

2 answers:

zmey [24]3 years ago

3 0

Answer:

4+(x*4)

Step-by-step explanation:

liubo4ka [24]3 years ago

3 0

Answer:

C. 4 + (x*4)

Step-by-step explanation:

The third expression does not belong with the other three.

This is because instead of multiplying the coefficient outside of the parentheses it adds, unlike the other three. As well as this instead of adding or subtracting in the parentheses it multiplies. It differs from the other three in those aspects.

<em>I hope this helps!!</em>

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Latonya bought flowers for her mother. She spent $45. Each tulip was $1 and each rose was $2. She bought 3 more tulips than rose

allsm [11]

Lets start from scratch.
45 is the number of money she spent that means that right side of = sign is 45
let m represents number of roses.
we can write:

t*$1+ m*$2 = $45

Since she bought 3 more tulips than roses that means that m = t - 3

when we express m we get:

t + 2*(t-3) = 45

the answer is B.

5 0

3 years ago

How many gallons of paint are needed to paint one coat, if a gallon of paint covers 400ft squared?

bixtya [17]

Answer:

6.28 gallons

Step-by-step explanation:

first we need to find the area of a half sphere, and then find how much paint will be needed for that area.

The area of a sphere:

$a=4 \pi r^2$

thus, the area of half a sphere is:

$a=2 \pi r^2$

we know that the radius is:

$r=20ft$

we substitute this to find the area of the half sphere (the area they need to paint):

$a=2\pi (20ft)^2\\a=2(3.1416) (400ft^2)\\a=2,513.27ft^2$

now the question is how many gallons of paint are needed to paint 2,513.27 square feet.

We are told that 1 gallon covers 400 square feet

thus, we must divide 2,513.27 by 400:

$\frac{2,513.27ft^2}{400ft^2} =6.28$

6.28 gallons of paint are needed.

5 0

3 years ago

What would this be how would I do it? Please help HELP HELP ASAP HELP

Svetllana [295]

For the given triangle, x = 8.6 cm.

Step-by-step explanation:

Step 1:

In the triangle, the given angle is 35°, the hypotenuse side's length is 15 cm. Assume the opposite side's length is x cm. To determine the opposite side's length, we determine the sin of the angle. To calculate the sin of an angle, we divide the opposite side's length by the hypotenuse's length.

$sin\theta = \frac{oppositeside}{hypotenuse} .$

Step 2:

The opposite side's length = x cm.

The hypotenuse side's length = 15 cm.

$sin\theta = \frac{oppositeside}{hypotenuse}, sin35=0.5735, sin 35 = \frac{x}{15} ,$

$0.5299=\frac{x}{15}, x = 0.5735(15) = 8.6025$

So x of the given triangle measures 8.6025 cm, rounding this off, we get 8.6 cm.

6 0

3 years ago

A bag contains 6 red marbles, 4 blue marbles and 5 green marbles. If three marbles are drawn out of the bag, what is the exact p

nexus9112 [7]

3 our of 15 I hope this helps

4 0

3 years ago

Hello can anyone help with this?

Ray Of Light [21]

Answer:

<2 and <13 are alternate exterior angles.

In simple form, alternate exterior angles are the opposite angle on the opposing parallel line. So, to make you understand better, <4 and <15 are alternate exterior angles.

Hope this helps :D

3 0

3 years ago