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victus00 [196]
3 years ago
13

What is 1.7a+0.3a=4/5??? Halp me plz...

Mathematics
2 answers:
Ray Of Light [21]3 years ago
6 0
<span>1.7a+0.3a=4/5
2a = 4/5
  a = 4/5 * 1/2
  a = 4/10
  a = 2/5</span>
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

The value of a is 2/5.

Step-by-step explanation:

Consider the provided equation.  

1.7a+0.3a=\frac{4}{5}

We need to solve the equation for a.

Add the like terms.

2a=\frac{4}{5}

Divide both the sides by 2.

\frac{2a}{2}=\frac{4}{5\times 2}

a=\frac{2}{5}

Hence the value of a is 2/5.

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Which of the following algebraic equations could represent the sentence, "The quotient of a number and 9 is three"?
lora16 [44]
3=x/9 (three equals x divided by nine)
8 0
2 years ago
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(3,-2);slope 1/3 what is the answer?
wolverine [178]

Answer:

y = \frac{1}{3} x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{1}{3} , then

y = \frac{1}{3} x + c ← is the partial equation

To find c substitute (3, - 2) into the partial equation

- 2 = 1 + c ⇒ c = - 2 - 1 = - 3

y = \frac{1}{3} x - 3 ← equation of line

5 0
3 years ago
One year had the lowest ERA​ (earned-run average, mean number of runs yielded per nine innings​ pitched) of any male pitcher at
lord [1]

Answer:

Thomas had the better year relative to their​ peers.

Step-by-step explanation:

<u>The complete question is</u>: One year Thomas had the lowest ERA​ (earned-run average, mean number of runs yielded per nine innings​ pitched) of any male pitcher at his​ school, with an ERA of 3.31. ​Also, Karla had the lowest ERA of any female pitcher at the school with an ERA of 3.02. For the​ males, the mean ERA was 4.837 and the standard deviation was 0.541. For the​ females, the mean ERA was 4.533 and the standard deviation was 0.539. Find their respective​ z-scores. Which player had the better year relative to their​ peers, or ​? ​(Note: In​ general, the lower the​ ERA, the better the​ pitcher.)

We are given that for the​ males, the mean ERA was 4.837 and the standard deviation was 0.541. For the​ females, the mean ERA was 4.533 and the standard deviation was 0.539.

As, we know that the z-score is calculated by the following formula;

                                 Z  =  \frac{X-\mu}{\sigma} ~ N(0,1)

where, \mu = population mean

           \sigma = standard deviation

Now, firstly we will calculate the z score for Thomas;

z-score = \frac{X-\mu}{\sigma}

            = \frac{3.31-4.837}{0.541}  = -2.823

{Here, the mean ERA for the males was 4.837 and the standard deviation was 0.541}

Similarly, we will calculate the z score for Karla;

z-score = \frac{X-\mu}{\sigma}

            = \frac{3.02-4.533}{0.539}  = -2.807

{Here, the mean ERA for the females was 4.533 and the standard deviation was 0.539}

Now, it is stated in the question that the lower the​ ERA, the better the​ pitcher.

So, we can clearly see that Thomas had a lower ERA of z-score as -2.823 < -2.807. This means that Thomas had the better year relative to their​ peers.

5 0
3 years ago
HELP NEEDED ASAP.....NO LINKS AND NO TROLLING
sveticcg [70]

Answer: I won't bother explaining cause you only want the answer

Step-by-step explanation:

page 1
Shift: a type of translation that moves the graph without changing its scale or shape or direction.

moving, location or points, rising, running (the last two are subjective I think there are better answers)

page 2 (right to left in rows)

y, adds

y, subtracts

x, adds

x, subtracts

Page 3

up 3, down 3, left 3, right 3

page 4

y = (x-2)^2 - 1

y = (x+1)^2 +3

8 0
2 years ago
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solong [7]

Answer:

1-a-b-c

Step-by-step explanation:

1 + (-a) + (-b) + (-c)

1-a-b-c

4 0
3 years ago
Read 2 more answers
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