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Sophie [7]
3 years ago
15

What is the equation to -2x-9=-89

Mathematics
2 answers:
Oksana_A [137]3 years ago
7 0

Step-by-step explanation:

I'm guessing you mean answer?

You would need to solve for x.

Steps:

1. -2x-9=-89

--add 9 to both sides

2. -2x=-80

--divide each side by -2

3. x=40

Hope this helped!! :))

inna [77]3 years ago
6 0
The answer for X is 40
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Which of the following could be the graph of 3x + 4y = 12?​
Elan Coil [88]

Answer:

A graph that goes through (4, 0), (8, -3), (0, 3), and (-4, 6)

Step-by-step explanation:

Hello!

To find what this looks like it is easier to put it into slope-intercept form which is y = mx + b

To get our equation to look like that we have to get y by itself

3x + 4y = 12

Subtract 3x from both sides

4y = -3x + 12

Divide both sides by 4

y =- \frac{3}{4}x  + 3

We now know the y-intercept is (0, 3)

Now we follow the slope to give us more points

More points are (4, 0), (8, -3), and (-4, 6)

The answer would be a graph that goes through those points.

Hope this helps!

6 0
3 years ago
It is given that cos 0 = -0.4209 and 0° 0 < 360°. Calculato the values of 0​
beks73 [17]

Answer:

114.89 degrees

245.11 degrees

Step-by-step explanation:

cos is negative in the second and third quadrant ("pointing" on the x-axis to the left).

so, the first answer for the second quadrant is

114.89 degrees.

the answer for the third quadrant is then backwards the same angles from a full 360 degree rotation

360 - 114.89 = 245.11 degrees

5 0
3 years ago
A car travels at an average speed of 56 miles per hour . how many miles does it travel in 4 hours and 15 minutes
Natali [406]

56 miles per hour

15 minutes is 1/4 of an hour

1/4 = 0.25

 so 56 x 4.25 = 238 miles

4 0
3 years ago
An engineering firm designs a custom hexagonal screw for a computer board. A sketch of the top of the screw is below. To the nea
Sphinxa [80]

The area of the screw head is 93.5m².

<h3>How to calculate the area?</h3>

The area of the hexagon can be illustrated based on the formula:

A = 3✓3/2 × a²

Base = 12.

Height = 3.

Area of each triangle = 0.5 × 12 × 3 = 18

Area of the rectangle = 12 × 6 = 72

Therefore the area of the screw head will be:

= 3√3/2 × 72

= 93.5m²

Learn more about area on:

brainly.com/question/25292087

#SPJ1

8 0
2 years ago
If a new lacrosse stick is labeled $55, what would the new price be if the sign above it says "76% off"
Ann [662]
The cost of the new lacrosse stick is $13.20
7 0
3 years ago
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