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makvit [3.9K]
3 years ago
5

What's this answer???

Mathematics
1 answer:
Georgia [21]3 years ago
7 0
Youn could test all of the options by putting 8 and 3 in for a and b.

A.    a - b = 5
       8 - 3 = 5
            5 = 5

B.   a + b = 5
      8 + 3 = 5
            11 ≠ 5

C.   a - b = 8
      8 - 3 = 8
           5 ≠ 8

D.   a + b = 8
      8 + 3 = 8
            11 ≠ 8

As you can see, the only one that works is A. a - b = 5.
      
You might be interested in
The slope of the line is 4. which of the following is the point-slope form of the line
antoniya [11.8K]

The point slope form of line is y+4 = -4( x+3)

<h3>What is point slope of form?</h3>

The point slope form is used to find the equation of the straight line which is inclined at a given angle to the x-axis and passes through a given point.

Given:

m=4

We know the general form is

y - b = -4(x - a)

So, from the graph attached below

b= -4, a= -3

So, y-(-4)= -4(x-(-3))

y+4 = -4( x+3)

Hence,  point slope form of line is y+4 = -4( x+3).

Learn more about tis concept here:

brainly.com/question/13436232

#SPJ1

4 0
2 years ago
The growth of bacteria is modeled as P = P0ert. In a sample culture, the bacteria grows at a rate of 6 percent per minute. If th
xxTIMURxx [149]
Initial number of Bacteria = Po = 1000
Growth rate = r = 6% = 0.06
We want to find the number of Bacteria after 5 minutes.

Using the given equation, we can write:

P= P_{o}e^{rt} \\  \\ &#10;P=1000(2.718)^{0.06*5}  \\  \\ &#10;P=1000(2.718)^{0.3} \\  \\ &#10;P=1350

Rounding of to nearest integer, the number of Bacteria after 5 minutes will be 1350. So option C gives the correct answer
5 0
3 years ago
Can someone please answer. There is a picture. There is only one problem. Thank you so much!!!
Aleks [24]
Hello,

Answer C

center (0,0)
b=3
c=7==>a²=c²+b²=49+9=58

x²/58+y²/9=1

6 0
3 years ago
(10 POINTS) answer ASAP if you can
Licemer1 [7]

Answer:

C

Step-by-step explanation:

A P E X

4 0
3 years ago
Joseph drove for hours at the speed of 40 km per hours he changed his speed to 65 km for the next 2 hours how far had Joseph dri
daser333 [38]

Answer:

The answer to your question is 450 km

Step-by-step explanation:

Data

First stage                      Second stage

speed 1 = 40 km/h         speed 2 = 65 km/h                      

time 1 = 8 h                     time 2 = 2 h

Process

1.- Write the formula to calculate the speed

    speed = distance / time

-Solve for distance

    distance = speed x time

2.- Calculate the distance of the first stage

    distance 1 = 40 x 8

    distance 1 = 320 km

3.- Calculate the distance of the second stage

    distance 2 = 65 x 2

    distance 2 = 130 km

4.- Calculate the total distance

    Total distance = 320 + 130

                             = 450 km

6 0
3 years ago
Read 2 more answers
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