pls help..........!!!!!!

Step-by-step explanation:

=>-10x²+3x+4

=>-10x²-5x+8x+4

=>-5x(2x+1)+4(2x+1)

=>(2x+1)(4-5x)

hope this helps you.

Answer:

Volume of air = 120 m³

Mass of air = 156 kg

Step-by-step explanation:

Volume of air in a lab of dimensions,

= 8 x 5 x 3

= 120 m³

Mass of the air ?

Given : Density of air = 1.3 kg/m³

Formula : -

Density = Mass / Volume

Mass = Density x Volume

= 1.3 x 120

Mass = 156 kg

Answer: the answer is 7306 miles in 13 hours

Step-by-step explanation: I just divided 2248 by 4 which is 562 then multiplied it by 13 which made it 7306. I took the quiz and got 100% hope this helps!

Answer:

13.125 meters

Step-by-step explanation:

7/8 times 15

Step-by-step explanation:

It's B.You want a explaination ???

Answer:

102165

Step-by-step explanation:

92929+8282= 101211

101211 + 828 = 102039

102039 + 81 = 102120

102120 + (9+9+9+9+9) = 102120 + 45 = 102165

Answer:

102165 is your asnwer

Step-by-step explanation:

9+9+9+9+9+81+828+8282+92929=102165

[tex] = 2ac \: + ab \: + 3a \: - 2bc[/tex]

see the attachment!!

hope it helps

Answer:

4(2x+1)(x−1)

Step-by-step explanation:

8x2−4x−4

8x2−4x−4

=4(2x+1)(x−1)

Answer:

1. 3/6 or 3 out of 6

2. 6 times

3. 50.24mm²

4. 2.4

5. -4/3

6. 6 i think, but i'm not positive on this one

have a wonderful day :)

Answer:

= a²-b²/a²b+ab²-a²b-ab²/a²b² =√√727+=% = infinite

Step-by-step explanation:

I'm not sure if this correct but hope it helps

Answer:

1

Step-by-step explanation:

This  is the solution to your question . Hope it helps you !!

Answer:

(3,-2)

Step-by-step explanation:

The vertex is the lowest point of the arc!

Hope I helped!

Answer:

21 holes

Step-by-step explanation:

6 holes/2 minutes = x/7 minutes (cross multiply)

(6*7)/2 = 42/2 = 21 holes

Answer:

b is 3/5 then 9/5 and lastly 15/25

c is 2/3 then 6/12 then 12/18

¿What are Fractions?

Fractions is that fraction whose fractional number is the expression of a quantity divided by another quantity; that is, it represents an unrealized quotient of numbers.

[tex] \bold{a) \dfrac{2}{4} = \dfrac{4}{8} = \dfrac{6}{12} = \dfrac{8}{16} = \dfrac{10}{20} }[/tex]

[tex]\bold{b) = \dfrac{3}{5} = \dfrac{6}{10} = \dfrac{9}{15} = \dfrac{12}{20} = \dfrac{15}{25} }[/tex]

[tex] \bold{c) \dfrac{2}{3} = \dfrac{4}{6} = \dfrac{6}{12} = \dfrac{10}{15} = \dfrac{12}{18} }[/tex]

Answer:

b=-5

Step-by-step explanation:

<3

Answer:

5/6, 6/7, 7/8

Step-by-step explanation:

The numerators are going up by 1 and so are the denominators, just add 1 to each in the next one in the sequence.

Hope that helps

Using the probability concept, it is found that there is a [tex]\frac{4}{9}[/tex] probability that the second chosen is also a boy.

In this problem, supposing that the first person chosen is a boy:

Hence:

[tex]p = \frac{12}{27} = \frac{4}{9}[/tex]

There is a [tex]\frac{4}{9}[/tex] probability that the second chosen is also a boy.

To learn more about the probability concept, you can take a look at https://brainly.com/question/25967684

Answer:

Sale kute bhan के lole

Tera baap aya ajju(^bhai 94

Answer:

"uuuuuuh in english"

Step-by-step explanation:

Answer:

9.5km/hr and 16.667m/s

Step-by-step explanation:

velocity = Distance / Time

v = 19/2  -->  v = 9.5km/hr

v = 2000m/120s --> v = 16.66666667m/s

Answer:

Step-by-step explanation:

The triangle formed by the lamp post and the (24+6)foot side on the ground is similar to the right triangle formed by the person of height h and his 6 foot shadow.

H/25=6/36

H=5

The person is 5 feet tall when his shadow is 6 feet long.

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal.

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

A person is standing 24 feet away from a street light that is 25 feet tall.

let the height of person be x when its height of shadow is 6 feet.

Using Proportion

x/ 6 = 25 / 30

30x =150

x= 150/ 30

x= 5 feet

Hence, the height of the person is 5 feet.

Learn more about proportion here:

https://brainly.com/question/26974513

#SPJ2

Answer:

If you pay $38.50 for 12 pounds of apples it costs $3.20833333333 per pound.

Step-by-step explanation:

Answer:

I believe it is C but it's good to double check

Step-by-step explanation:

Answer:

Step-by-step explanation:

b

Answer:

if the question is what is the are of the circle without the rectangle inside it, then we could solve it easily using the Mathematical formula for A Circle's area which is

[tex]\pi {r}^{2} [/tex]

since a radius is half a diameter, and the diameter is 8cm, the radius becomes 4 cm

Step-by-step explanation:

π×4^2

3.14×16

50.24

Answer:

It's true, if that's what your asking.

Step-by-step explanation:

5/6 = 0.833 to 3 sig.fig.

4/5 = 0.800 to 3 sig.fig.

6/7 = 0.857 to 3 sig.fig.

0.833 is more than 0.800 and less than 0.857.

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