I need help with each one

Answers

Answer 1

Answer: if you get the app photomath it will help you with math problems

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What does it mean to write a word problem for anExpression tHat is three times as great as (15+7) Then write the expression

Answers

you write a word problem that is when simplified, it means 3(15+7). Then you would write 3(15+7)

Colby wants to set square tiles on the top of a wooden box. The top of the box is a rectangle 7 1/2 inches long and 5 1/2 inches wide.a. How many 1/2 inch tiles would Colby need to cover the top of the wooden box?
b. How many 1/4 inches tiles would Colby need to cover the top the wooden the box?

Answers

area of a rectangle is l x w 7.5 x 5 = 37.5 in^2 each tile is 1/2 or ,5 37.5/.5= 75 of the 1/2 in tile the 1/4 in tile would need twice as much therefore 150

When you do 288 divided by 30 long division what's the remainder

Answers

$(288)/(30) = (6* 48)/(6* 5) = (48)/(5) = (45+3)/(5) = (45)/(5) +(3)/(5) = 9+(3)/(5) = \boxed{\bf{9(3)/(5)}}$

The divisor is 30.
The dividend is 288.
The quotient is 9.
The remainder is 3.

The remainder is 3.

What is 35% of 98? I need Help with this problem?

Answers

35% of 98 is 34.3

Change the percentage (35) into a decimal by dividing over 100:

35 / 100 = 0.3

Multiply the decimal and 98:

0.35 × 98 = 34.3

1. Find the slope and the y-intercept of the equation 4x + 5y = -9.2. Find the slope and the y-intercept of the equation y − 3(x − 1) = 0.

3. If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation of the line?

Answers

Answer:

1. The slope is -4/5 and the y-intercept is (0, -9/5).

2. The slope is 3 and the y-intercept is (0,3).

3. The line is y=-2x+3.

Step-by-step explanation:

To find the slope and y-intercept, convert the equation to y=mx+b where m=slope and b=y-intercept.

1. Convert the equation by rearranging the terms using inverse operations.

4x+5y=-9 Subtract 4x to both sides.

-4x -4x

------------------------------------

5y= -9 -4x Divide both sides by 5.

y= -9/5 - 4/5x

This is now in y=mx+b and m=-4/5 and b=-9/5.

2. Convert the equation by rearranging the terms using inverse operations.

y - 3(x-1)=0 Add 3(x-1) to both sides.

+3(x-1) +3(x-1)

------------------------------------

y = 3(x+1) Multiply 3 into the parenthesis.

y = 3x+3

This is now in y=mx+b and m=3 and b=3.

3. Write the equation of a line using point slope form

$y-y_1=m(x-x_1)$ .

This becomes $y-3=-2(x-0)\ny-3 = -2 (x)\ny-3 = -2x\ny= -2x+3$

Here m =-2 and b=3.

If sin ⁡x=−4/5, and π

Answers

Answer:

Step-by-step explanation:

sin ⁡x=−4/5

x=sin^-1(4/5)

x=about 53.1

x=(-4/5)/sin(53.1 degrees)=about -2.64662408617

what do you need for pi?