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3 years ago

19. Karla borrowed $5 each from 4 different friends. How much money does Karla owe her friends altogether?

Mathematics

2 answers:

Mashcka [7]3 years ago

6 0

19. 5*4=20 so the answer is that Karla owes 20 dollars to her friends.

20. 2*6=12 so the answer is it increased 12 degrees over the past 6 hours.

21. 10*3=30 so he can descend 30 feet every 10 minutes.

e-lub [12.9K]3 years ago

6 0

19 5x4=20 is the answer

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12 times a number p___________

hram777 [196]

Answer:

12p

Step-by-step explanation:

12×p

12p

=12p

if you find my answer helpful you may tell me

7 0

3 years ago

Convert the equation y= -4x + 2/3 into general form equation and find t the values of A,B and C.

alukav5142 [94]

Answer:

Standard form: $12x+3y-2=0$

A = 12, B = 3 and C = -2

Step-by-step explanation:

Given:

The equation:

$y= -4x + \dfrac{2}3$

To find:

The standard form of given equation and find A, B and C.

Solution:

First of all, let us write the standard form of an equation.

Standard form of an equation is represented as:

$Ax+By+C=0$

A is the coefficient of x and can be positive or negative.

B is the coefficient of y and can be positive or negative.

C can also be positive or negative.

Now, let us consider the given equation:

$y= -4x + \dfrac{2}3$

Multiplying the whole equation with 3 first:

$3 \times y= 3 \times -4x + 3 \times \dfrac{2}3\\\Rightarrow 3y=-12x+2$

Now, let us take all the terms on one side:

$\Rightarrow 3y+12x-2=0\\\Rightarrow 12x+3y-2=0$

Now, let us compare with $Ax+By+C=0$ .

So, A = 12, B = 3 and C = -2

6 0

3 years ago

Consider the following equation

sp2606 [1]

Answer:

The negative solution is between -3 and -2

The positive solution is between 11 and 13

Step-by-step explanation:

we have

$0=x^{2} -10x-27$

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2} -10x-27=0$

$a=1\\b=-10\\c=-27$

substitute in the formula

$x=\frac{10(+/-)\sqrt{-10^{2}-4(1)(-27)}} {2(1)}$

$x=\frac{10(+/-)\sqrt{208}} {2}$

$x=\frac{10(+)\sqrt{208}} {2}=12.21$

$x=\frac{10(-)\sqrt{208}} {2}=-2.21$

therefore

The negative solution is between -3 and -2

The positive solution is between 11 and 13

5 0

4 years ago

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Easy math question! brainliest :)

Naddika [18.5K]

Answer:

b.) distance north or south of the equator

Step-by-step explanation:

Lines of latitude are horizontal lines parallel with the equator.

The equator is the central line of latitude, and latitude is measured north or south of the equator.

Answer: b.) distance north or south of the equator

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3 years ago

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Ken’s predicted temperature for April is 7ºC. His prediction for May is 2ºC higher than April. He used the number line to solve

Gekata [30.6K]

Answer:

He should have moved to the right.

Step-by-step explanation:

Ken moved 7 to the right which is correct because he needs to get 7º higher, but when he moved 2º to the left that would be a temperature decrease which is is incorrect.

7 0

4 years ago

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