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2 years ago

5 to 7 and please solve with equations thx

Mathematics

2 answers:

Anna007 [38]2 years ago

8 0

Answer:

See attached image

Step-by-step explanation:

The starting point for an e=inequality will have either an empty of filled-in circle. When empty, it signifies that the exact point is NOT included. If the inequality is x < 2, for example, the line would begin at 2, but marked with an empty circle. If, however, the inequality is x =< 2, then the circle is filled in, signifying that the number 2 is included in the set.

padilas [110]2 years ago

4 0

Answer:

Step-by-step explanation:

5) x + 5.4 < -1.6

x < -1.6 - 5.4

x < -7

6) x + 7.5 > -2.5

x > -2.5 - 7.5

x > -10

7) 3 ≤ 1/3 + x

x ≥ 3 - 1/3

x ≥ 5/3

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How many times larger is 9 × 10^9 than 3 x 10^-4

ratelena [41]

9 × 10^9
---------------- = 3 x 10^13
3 x 10^-4

answer
3 x 10^13 times larger

3 0

3 years ago

Maria and Nate graphed lines on a coordinate plane. Maria's line is represented by the equation y = -5/6x +8. Nate's line is per

eduard

Answer:

c) 6x - 5y = 15

Step-by-step explanation:

Slope-intercept form of a linear equation: $y=mx+b$

(where m is the slope and b is the y-intercept)

Maria's line: $y=-\dfrac{5}{6}x+8$

Therefore, the slope of Maria's line is $-\frac{5}{6}$

If two lines are perpendicular to each other, the product of their slopes will be -1.

Therefore, the slope of Nate's line (m) is:

$\begin{aligned}\implies m \times -\dfrac{5}{6} &=-1\\m & =\dfrac{6}{5}\end{aligned}$

Therefore, the linear equation of Nate's line is:

$y=\dfrac{6}{5}x+b\quad\textsf{(where b is some constant)}$

Rearranging this to standard form:

$\implies y=\dfrac{6}{5}x+b$

$\implies 5y=6x+5b$

$\implies 6x-5y=-5b$

Therefore, option c could be an equation for Nate's line.

3 0

2 years ago

One week Michael worked 40 hours and sold 2,870 worth of shoes if his employer paid him 12.50 per hour and 6% commission of all

liq [111]

Answer:

Money which Michael make in commission = 158.7

Step-by-step explanation:

Given that,

number of hours Michael worked in a week = 40 hours

total sale of the week = 2870

commission which Micheal will get on sale = 6% above 225sale

To find,

total money Michael make in commission in the week

Commission = (2870 - 225)*6%

Commission = (2870 - 225)*6/100

Commission = 2645 *6/100

Commission = 158.7

Total money Micheal make in a week = (40*12.50) + (158.7)

= 658.7

5 0

3 years ago

What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm?

maw [93]

When we speak of the word "perimeter" of a circle, we mean to say the circumference. Since we are only given a semicircle, the perimeter would be,
perimeter = (pi)(radius) + diameter
Substituting the known values,
perimeter = (3.14)(6 cm) + 12 cm
The value of the perimeter is,
perimeter = 30.84 cm

6 0

3 years ago

Read 2 more answers

Rick won the pole vault event in the track meet last week. He vaulted 14 feet 2 Inches. How many Inches did he vault?

Kryger [21]

Answer:

He vaulted 170 inches

Step-by-step explanation:

To get the answer you take 14 and multiple by 12 because there are 12 inches in every foot when you multiple you get 168 then you add 2 because it says 2 inches then you are left with 170 inches

Hope this helped

8 0

3 years ago