(x + 2)(x2 + 5x + + 1)

Answer:

-12.73

Step-by-step explanation:

since you are adding a negative, it is the same as subtracting. subtract -7.1 from -5.63 to get -12.73. hope this helps

Answer:18

Step-by-step explanation:2−2+22−4=9  

18≠9

Answer:

It's 3 (a + 11)

Step-by-step explanation:

I don't know if you said that the 3 was a negative but if you did then don't choose my answer.

Answer:

The answer is 3(a+11)

Step-by-step explanation:

Answer:

y=3x. .................

Answer:

49x +65y

Step-by-step explanation:

add like terms

Answer:

14+n

Step-by-step explanation:

14 more means we are adding and a number means we dont have an specific number so we substitute with n

Hope this helps (:

Answer:

x+14

Step-by-step explanation:

hope it helps!

Answer:

[tex]10\ \text{sq. units}[/tex]

Step-by-step explanation:

The parabola's are

[tex]y=-x^2+9[/tex]

[tex]y=2x^2-3[/tex]

So

[tex]-x^2+9=2x^2-3\\\Rightarrow 12=3x^2\\\Rightarrow \\\Rightarrow x=\sqrt{\dfrac{12}{3}}\\\Rightarrow x=\pm 2[/tex]

[tex]y=-x^2+9=-(2)^2+9\\\Rightarrow y=5[/tex]

[tex]y=-(-2)^2+9=5[/tex]

So, the points at which the parabola's intersect each other is [tex](2,5)[/tex] and [tex](-2,5)[/tex]

The three points of the triangle are [tex](2,5)[/tex], [tex](-2,5)[/tex] and [tex](0,0)[/tex]

Area of a triangle is given by

[tex]A=\dfrac{1}{2}[x_1(y_2-y_3) + x_2(y_3-y_1) + x_3(y_1-y_2)]\\\Rightarrow A=\dfrac{1}{2}[2(5-0)+(-2)(0-5)+0(5-5)]\\\Rightarrow A=10\ \text{sq. units}[/tex]

Area of the triangle formed is [tex]10\ \text{sq. units}[/tex].

Answer:

Step-by-step explanation:

Let the number of the problems the team could solve before is x.

Then we have:

They were able to solve 30 problems before the new mathletes joined

Answer:

[tex]\tt{}x = 30 \\ [/tex]

Step-by-step explanation:

[tex]\tt{}x + 40\% = 42[/tex]

[tex]\tt{}1.4x = 42[/tex]

[tex]\tt{}x = \frac{42}{1.4} [/tex]

[tex]\tt{}x = 30[/tex]

[tex] \\ \\ \\ [/tex]

[tex] \huge \orange{\boxed{ \fcolorbox{red}{blue}{ \: CarryOnLearning \: }}}[/tex]

Answer:

(1,1)

Step-by-step explanation:

With the midpoint formula, we're basically finding the average of the two variables, x and y.

Formula: [tex](\frac{x_{1} + {x_2} }{2}, \frac{_{1} + {y_2} }{2} )[/tex]

[tex](\frac{{-1} + {3}}{2} , \frac{{-2} + {4}}{2} )[/tex]

[tex](\frac{2}{2}, \frac{2}{2})[/tex]

(1,1)

Answer:

The answer is r=20

Step-by-step explanation:

[tex] \frac{81}{45} = \frac{36}{r} \\ r = \frac{36 \times 45}{81} = 20[/tex]

Answer:

The answer is 20 watts

Step-by-step explanation:

power=joules/seconds

60/3=20

Answer: B. 59°F

Step-by-step explanation:

Range = Maximum - MInimum.

From the given temperatures, Maximum temperature = 99 degrees Fahrenheit

Minimum temperature = 40 degrees Fahrenheit

Range = Maximum temperature  - Minimum temperature

i.e. Range =99-40 = 59 degrees Fahrenheit

Hence, the range of the temperatures = 59°F i.e. B is the correct option.

3.60 per pound

7.20 divided by 3.60 = 2

there are two pounds of strawberries in the bag!

Answer:

X=5

Step-by-step explanation:

Answer:

The answer is (5, 38)

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

~Hoped this helped~

Answer:

(5,38)

Step-by-step explanation:

Answer:

the first one

Step-by-step explanation:

kkrkrkrkrkrk

Answer:

(-4,1)

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

the area of the whole box is 17,280 cubic units because 24x24x30=17,280. If each cubic unit is .004 lbs then multiply 17,280 by .004. And it equals 69.12 lbs. And 69 is bigger than 30, so no he cant lift it.

Answer:

1.

a settled way of thinking or feeling about something

Answer:

Altitude or height is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context.

Step-by-step explanation:

Answer:

1. 4.3x10^-7

2. the picture is cut off

Answer:

$92.5

Step-by-step explanation:

1,8500x.05=92.5

Answer:

1850 / 5% = 36000

Step-by-step explanation:

Answer:

722.25

Step-by-step explanation:

675x1.07

1 would be 675. Since there is a 7 percent sales tax, it would be 107 percent of the cost.

Answer:

$722.25

Step-by-step explanation:

Answer:

since the rate is the same for both trains, and we know that the distance train A travels plus the distance train B travels equals 562.5 miles, we can use the D(istance) = R(ate) * T(ime) formula to solve this.

Train A:

da = R * 4

Train B:

db = R * 3.5 (using 3.5 instead of 3 and 1/2)

Solve for R:

R * 4 + R * 3.5 = 562.5

7.5 * R = 562.5

R = 75

The trains are traveling at 75 miles per hour.

Step-by-step explanation:

Answer:

speed = distance / time

since they are moving in opposite direction, the time is the sum of the two times = 2 1/2 + 4 = 6 1/2 = 13/2

speed = 585/(13/2) = 90 miles per hour.

Step-by-step explanation:

I hope it helps.

Answer:

I believe the answer is 0.07! I hope that helps

0.069 rounded off to the nearest hundredth is 0.69.

Answer:

3, 15

Step-by-step explanation:

1/10 of a unit also just means dividing by 10. 1/2 is just dividing by 2. Hope this helped!

Answer:

1/10= 3

1/2=15

Step-by-step explanation:

If the whole unit is 30, then one tenth of it would be three (3x10=30) and one half of it would be 15 (2x15=30)

Answer:

Not bad

Step-by-step explanation:

According to the internet, there are a number of factors to consider before estimating your waste percentage when buying carpets.

You may have to check the shape of your room, if it has multiple walls or if it is just complicated. For this kind you can estimate a 20% waste factor.

But for uncomplicated rooms having the same width as the carpet, the rule of thumb is to add a 10% waste factor to the square footage area.

Answer:

8 + -1 here you go hope this helps

Answer:

i can help u if u let me know whta the equation means

Step-by-step explanation:

Answer:

25$

Step-by-step explanation:

Answer:

32

Step-by-step explanation:

got it right on edge