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stepladder [879]
2 years ago
15

Help please I don’t get it

Mathematics
2 answers:
Vedmedyk [2.9K]2 years ago
6 0

Answer:

B

Step-by-step explanation:

when the arrow is pointing toward the left side that means less than side. When the arrow is pointing towards the right side that means greater than.

Nata [24]2 years ago
6 0

Answer:

B, because that symbol means at least so you would go to the negative side which is on the left it has to start from 4 which is correct and this means negative: - The 0 is the origin so from the origin to the left side is negative from the origin to the right side is positive you want to look for negative because it's negative 4.

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Eli and Claire work at a dry cleaners ironing shirts. Eli can iron 15 shirts per hour,
shusha [124]

Answer:

∴ Eli worked for 8 hours and Claire worked for 9 hours

Step-by-step explanation:

Let us form the two equations then graph them

∵ Eli worked for x hours

∵ Claire worked for y hours

∵ Eli and Claire worked a combined 17 hours

∴ x + y = 17 ⇒ (1)

∵ Eli can iron 15 shirts per hour

∵ Claire can iron 20 shirts per hour

∵ They ironed 300 shirts together in 17 hours

→ Multiply x by 15 and y by 20, then add the products and equate their

   sum by 300

∴ 15x + 20 y = 300 ⇒ (2)

Now let us find 2 points in each equation and draw the two lines which represent the two equations

→ In equation 1, put x = 0

∵ x = 0

∵ 0 + y = 17

∴ y = 17

∴ The first point is (0, 17)

→ Put y = 0 and find x

∵ y = 0

∴ x + 0 = 17

∴ x = 17

∴ The second point is (17, 0)

→ In equation 2, put x = 0

∵ x = 0

∵ 0 + 20y = 300

∴ 20y = 300

→ Divide both sides by 20

∴ y = 15

∴ The first point is (0, 15)

→ Put y = 0 and find x

∵ y = 0

∴ 15x + 0 = 300

→ Divide both sides by 15

∴ x = 20

∴ The second point is (20, 0)

Draw the first line using points (0, 17) and (17, 0)

Draw the second line using points (0, 15) and (20, 0)

The graph is attached down

From the graph

The red line represents equation (1)

The blue line represents equation (2)

The two lines intersected at point (8, 9) which is the solution of the system of equations

∴ The solution of the two equations is (8, 9)

∴ Eli worked for 8 hours and Claire worked for 9 hours

8 0
2 years ago
Help me please!!! you don’t have to explain
hjlf

Answer:

c  IS THE ANSWER

8 0
3 years ago
Read 2 more answers
H+9.5= -9.5 <br><br> find h. help pls, thank you
WARRIOR [948]
H=-19

That’s the answer
8 0
3 years ago
Read 2 more answers
Please answer ASAP! Consistently wash your hands for a good minute.
8_murik_8 [283]

Answer:

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Step-by-step explanation:

x/2=10

20/2=10

8 0
3 years ago
How to find the distance from a velocity-time graph?
Orlov [11]

Answer:

Calculating the distance travelled

Calculate the total distance travelled by the object - its motion is represented by the velocity-time graph below.

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½ × base × height.

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6 0
3 years ago
Read 2 more answers
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