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4 years ago

5

Ishi bought a canvas and 8 tubes of paint for $24.95. If the canvas costs $24.95. If th canvas costs 6.95, how much did each tub

e of paint cost?

1 answer:

Katen [24]4 years ago

5 0

If the canvas is 6.95, then subtract ... 24.95-6.95=18. They bought 8 paint tubes so divide 18 by 8. The answer is .. $2.25.

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How do i solve this: -2x>12 or -2(x+1)< -10. This is a inequality problem

sp2606 [1]

-2x > 12 OR -2(x + 1) < -10
Each inequality is solved separately.
The first one, divide both sides by -2, when you divide by a negative, you change the inequality sign.
So x < 6
For the second inequality, distribute the -2, this gives us -2X -2< -10.
Add 2 to both sides.
-2x < -8
Divide both sides by -2.
When dividing by a negative you change the inequality sign
So x > 4
The answer is:
x < 6 OR x > 4

6 0

4 years ago

Define mass and volume flow rates. How are they related to each other?

Anettt [7]

Answer:

The mass of a substance that passes per unit of time is called the mass flow rate, the unit of mass flow rate is kilogram per second in SI units.

$\rho=\frac{\dot{M}}{\dot{V}}$

Step-by-step explanation:

Consider the provided information.

We need to Define mass and volume flow rates and how they are related.

The mass of a substance that passes per unit of time is called the mass flow rate, the unit of mass flow rate is kilogram per second in SI units.

The volume of fluid which passes per unit time is called volume flow rate.

The relation between them is:

The Mass flow rate = Density × Volume flow rate

Or

$\rho=\frac{\dot{M}}{\dot{V}}$

Where ρ is the density.

8 0

3 years ago

Mr.rodriguez bought 420 pencils for the school.if there are 10 pencils In each box how many boxes are there'

Sophie [7]

$420 \div 10 = 42$

3 0

3 years ago

Read 2 more answers

WORTH 98 POINTS

LUCKY_DIMON [66]

Answer:

The equation is -3x^2 + 30x + 225 = 0, and the number of days is 15.

Step-by-step explanation:

I assume an x is missing, and the function is h(x) = -3x^2 + 30x + 225

You want to know the number of days in which the function value is zero.

-3x^2 + 30x + 225 = 0

Divide both sides by -3.

x^2 - 10x - 75 = 0

(x - 15)(x + 5) = 0

x - 15 = 0 or x + 5 = 0

x = 15 or x = -5

We discard the negative solution.

Answer: The equation is -3x^2 + 30x + 225 = 0, and the number of days is 15.

5 0

4 years ago

Solve the triangle give the measure of y

pishuonlain [190]

Given:

In triangle $BGU,BG=x,GU=7,BU=y,m\angle U=90^\circ,m\angle B=44^\circ$ .

To find:

The value of y.

Solution:

In a right angle triangle,

$\tan \theta=\dfrac{Perpendicular}{Base}$

In triangle BGU,

$\tan B=\dfrac{GU}{BU}$

$\tan 44^\circ=\dfrac{7}{y}$

$0.966=\dfrac{7}{y}$

Isolating y, we get

$y=\dfrac{7}{0.966}$

$y=7.2463$

$y\approx 7.2$

Therefore, the correct option is A.

4 0

3 years ago