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jarptica [38.1K]

2 years ago

6

in mongolia the temperature can dip down to -45C in January. The temperature in July may reach 40C. What is the temperature rang

e in Mongolia?

1 answer:

xz_007 [3.2K]2 years ago

7 0

Answer:

85 C

Step-by-step explanation:

Temperature range means the difference between the maximum and minimum in temperature for an area. 40C-(-45C)=85 C

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A bad contains 15 balls of which X is red. Write an expression for the probability that a ball drawn from the bad is red. When 5

antoniya [11.8K]

Answer:

10

Step-by-step explanation:

The current probability of picking a red ball is $\frac{x}{15}$ . When 5 more balls are added, the probability is 3/4. We can write a ratio for this problem:

$\frac{x+5}{15+5} = \frac{3}{4}$

When using cross multiplication to solve this, you get 3 * 20 = 4(x+5).

60 = 4x + 20

40 = 4x

x = 10 red balls

5 0

1 year ago

There is a box with 6 marbles: 3 red, 1 blue, 1 green, and 1 yellow. What is the probability of picking yellow marble, keep it,

fiasKO [112]

Answer:

1:6

Step-by-step explanation:

you have one out of 6 chances to pick the yellow marble

6 0

2 years ago

Read 2 more answers

The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function: I = -425x^2 + 45,5

lord [1]

We are given

The average income, I, in dollars is

$I=-425x^2+45500x-650000$

(a)

now, we are given

average income is $275000

so, $I=275000$

now, we can set them equal

and then we can solve for x

$275000=-425x^2+45500x-650000$

$-425x^2+45500x-925000=0$

we will have to use quadratic formula

$x=\frac{-45500+\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{-\sqrt{45500^2-1572500000}+45500}{850}$

$x=\frac{-45500-\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{\sqrt{45500^2-1572500000}+45500}{850}$

we get

$x=27.28199$

$x=79.776$

we need to find youngest age

It means that we need to choose smallest value

so,

$x=27$ ............Answer

(b)

we are given

x=40

so, we can plug it and find I

$I=-425(40)^2+45500(40)-650000$

$I=490000$ ..............Answer

6 0

3 years ago

Homer is giving some cookies to each of

Stells [14]

Answer:

7 cookies

Step-by-step explanation:

We have 3 brothers

First , Second, Third

Let the total number cookies be represented by A

1 cookie = 1

Working backwards, we start from the third brother

If we work backwards

It means he gave everything away

We start from the youngest

He was given 1/2 of what was left and 1/2 a cookie

This means,

1/2 + 1/2 = 1

The second brother

He got half of what is left and 1/2 a cookies

Half of what is left from brother

= What the youngest brother got + 1/2 + 1/2 a cookie

= 1 + 1/2 + 1/2

= 1.5 + 1/2

= 2 cookies

For the first brother

He got 1/2 of the cookies + 1/2 cookie

= 1.5 × 2 + 1/2 + 1/2 cookies

= 3 1/2 + 1/2

= 4 cookies

The first brother got 4 cookies

The second brother got 2 cookies

The third broth got 1 cookies

3 0

3 years ago

Plz read the directions I really don’t understand it....<br> Plz follow what it wants

Ira Lisetskai [31]

Answer:

Cube

Step-by-step explanation:

It makes a cube

7 0

3 years ago