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3 years ago

The quantity of a number plus 4, divided by 9

Mathematics

1 answer:

stira [4]3 years ago

8 0

This answer should be (X+4)/9

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Can you plz help me? Plz

ziro4ka [17]

Of course!! but can you help me back by messages? plz?

4 0

3 years ago

The temperature of a chemical solution is originally 21^\circ\text{C}21 ? C21, degree, C. A chemist heats the solution at a cons

Kryger [21]

Answer:

The rate is $4.5\frac{\°C}{min}$

Step-by-step explanation:

we know that

The formula to calculate the rate or slope between two points is equal to $m=\frac{y2-y1}{x2-x1}$

Let

x----> the time in minutes

y-----> the temperature in Celsius degrees

we have

$A(0,21)\ B(12,75)$

Substitute the values

$m=\frac{75-21}{12-0}$

$m=\frac{54}{12}=4.5\frac{\°C}{min}$

5 0

3 years ago

Question:

MArishka [77]

Answer:

73°

Step-by-step explanation:

Given, Angle A = 17° and Angle B = 90°

As it is a triangle, sum of all the angles are 180°

so,

⇒ Angle A + Angle B + Angle C = 180°

⇒ 17° + 90° + Angle C = 180°

⇒ Angle C = 73°

5 0

3 years ago

What is the value of y?<br> y + 30

Musya8 [376]

you can't solve this nor find the value of y because its not a full equation

6 0

3 years ago

Read 2 more answers

If f(x)=x2+3x+5 what's is f(3+h)

Nikolay [14]

(3+h)2+3(3+h)+5

Distribute the 2 to 3+h and the 3 to 3+h

6+2h+9+3h+5

add like terms

20 + 5h

7 0

4 years ago