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2 years ago

The distance between the point (-3,4) and the point of origin

Mathematics

1 answer:

pickupchik [31]2 years ago

7 0

Answer:

Step-by-step explanation:

1) origin point is (0;0);

2) the required distance is:

$d=\sqrt{(-3-0)^2+(4-0)^2} =5.$

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3) Jack has $400 and is going to start saving $30 per week. Sally has $225 and is going to start saving $55 per

Gre4nikov [31]

It will take 7 weeks and both will have $610

30x7=210+400=610
55x7=385+225=610

8 0

2 years ago

Which function represents g(x), a reflection of f(x) = 6across the y-axis?

Otrada [13]

Answer: D.) $g(x) = 6(3)^{-x}$

Step-by-step explanation: We are given an exponential function f(x).

g(x) is an exponential function that is being reflected across y-axis.

According to rules of transformations y=f(-x).

That is variable x is being multiplied by a negative sign.

In the given options $g(x) = 6(3)^{-x}$ , the variable x is being multiplied by a negative sign.

Therefore, correct option is D option.

4 0

3 years ago

Read 2 more answers

Evaluate these please [-4+9]<br> [-4]+9

Andrews [41]

Answer:

-11

Step-by-step explanation:

Simplify

5×−4+9

Simplify

−20+9

Answer

−11

6 0

3 years ago

5x+5y=-30 find the x and y intercept

Masja [62]

<em>The x and y intercept of 5x + 5y = -30 are (-6, 0) and (0, -6) respectively.</em>

<h2 /><h2>Explanation:</h2>

The Standard Form of the equation of a line is given by:

$Ax+By=C \\ \\ A,B,C \ Real \ Constants \ and \ A>0$

So:

$5x+5y=-30$

is written in Standard Form. The x and y intercepts are:

$x-intercept: \ (x,0) \\ \\ y-intercept: \ (0,y)$

So:

FOR X-INTERCEPT:

$Let's \ set: \\ y=0 \\ \\ 5x+5(0)=-30 \\ \\ Isolating \ x: \\ \\ 5x=-30 \\ \\ x=-\frac{30}{5} \\ \\ \boxed{x=-6}$

FOR Y-INTERCEPT:

$Let's \ set: \\ x=0 \\ \\ 5(0)+5y=-30 \\ \\ Isolating \ x: \\ \\ 5y=-30 \\ \\ y=-\frac{30}{5} \\ \\ \boxed{y=-6}$

Finally,<em> the x and y intercept of 5x + 5y = -30 are (-6, 0) and (0, -6) respectively.</em>

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

6 0

3 years ago

Good Stuff is giving away free pens to each of the first 200 people who come in the store today. In the first hour, they gave aw

AnnyKZ [126]

Answer:

50 pens

Step-by-step explanation:

x= 25 percent of 200

25/100 times X/200

Cross multiply them and you get

100x=5000

X=5000/100

X=50

25 percent of 200 is 50.

Which means they have away 50 pens

7 0

3 years ago

Read 2 more answers