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Ivanshal [37]
3 years ago
13

HELP I will give Brainliest If Correct!! (Please Explain)

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0
You need to write this is scientific form.

In this case it’s: 0.4 * 10^11
Natasha_Volkova [10]3 years ago
3 0
3.8 × 10^10 you have to round the number
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A gas station sells regular Faldo line for $2.39 and premium for $2.79 per gallon. The total gas sold 550 for bot types of gasol
Genrish500 [490]
2.39x+2.79y=1344.50  where x is regular and y is premium
x+y=550

U will get x=475 y=75
75 gallon premium 
5 0
3 years ago
Please see attached image and help with these absolute value problems - thank you
Novay_Z [31]

Answer:

{-infinity, infinity}

no solution

Step-by-step explanation:

|x| +15≥4

Subtract 15 from each side

|x| +15-15≥4-15

|x| ≥-11

This is always true so x can be and real number

{-infinity, infinity}

-2|5x+3| = 8

Divide by -2

-2/-2|5x+3| = 8/-2

|5x+3| = -4

This can never happen because absolute values are zero or greater

no solution

6 0
3 years ago
Find the area of the shape shown below
ra1l [238]

Answer:

18 MARK AS BRAINLIEST OR ELSE!!!!

Step-by-step explanation:

area = 1/2h(sum of bases)

area = 1/2x3(3+9)

area = 1/2 of 36

area = 18

3 0
2 years ago
Can somebody explain to me stem and leaf diagrams please?
aev [14]
They are a method for showing the frequency of a data plot in a much more compact and numerical way.  

1[2 3
2[1 7
3[3 4 5 7 
4[ 0 0 1

Key 1[2= 12

meaning that 3[5 is 35 and 4[0 is 40 and so and so forth
5 0
3 years ago
HELPPPPPPPP PLSSSS I HAVE 30 BEFORE THIS IS DUE
postnew [5]

Answer:

The line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

Step-by-step explanation:

Given the points

  • (0, 4)
  • (5, 2)

Finding the slope between the points

\left(x_1,\:y_1\right)=\left(0,\:4\right),\:\left(x_2,\:y_2\right)=\left(5,\:2\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

m=\frac{2-4}{5-0}

m=-\frac{2}{5}

As the y-intercept is obtained by setting the value x = 0.

As we know that when x = 0, the vale of y-intercept y = 4

so the y-intercept is b = 4.

As the slope-intercept form is

substituting the slope m = -2/5 and the y-intercept b=4

y  = mx+b

y\:=-\frac{2}{5}x+4

Therefore, the line equation in slope-intercept form is:

y\:=-\frac{2}{5}x+4

Hence, option D is true.

6 0
2 years ago
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