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vodka [1.7K]
3 years ago
8

Helpppppp me pleasee

Mathematics
2 answers:
pochemuha3 years ago
8 0

Answer:

which one is h because if i don't know which is h it cant solve a

Step-by-step explanation:

Temka [501]3 years ago
3 0

Answer:

A=2h, h∈ℝ

Step-by-step explanation:

Multiply both sides of the equation by 2.

2h=A

Swap the sides of the equation

A=2h

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Draw the shape that a lawn mowing machine would make given these instructions. Go to (–7, 7). Lower blade. Cut to (–7, 1). Raise
Nimfa-mama [501]
The shape that is created looks like H.

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4 years ago
Please help , once again I’m dumb and stressed ://
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The perimeter =14 in
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3 years ago
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A frog can hop at a maximum speed of about 60 feet every 4 seconds. How far can the frog go in 30 seconds?​
sineoko [7]

Answer:

450 feet

Step-by-step explanation:

60ft = 4 seconds

x ft = 30 seconds

(cross multiply)

60 * 30 = 4x

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3 years ago
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What is the solution to the system of equations?
Trava [24]

Call the two equations above A and B, in order to not confuse them.

A: -2x + 6y = -38

B: 3x - 4y = 32

For this system we have opposites in x and y, so Elimination (or Linear Combination) works best. Either variable works, so let's work with x first and multiply A by 3 and B by 2. This is done so we get opposites in A and B then when added together give zero.

-2x + 6y = -38 ------> multiply by 3 ----> -6x + 18y = -114

3x - 4y = 32 ------> multiply by 2 -----> 6x - 8y = 64

Now we add the new equations. The -6x and 6x are opposites and go away. We are left with

10y = -50. We divide both sides by 10 and get that y = -5.

Now we take y = -5 and put it into an original equation. Let's use A.

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-2x + 6(-5) = -38 we found y = -5

-2x + (-30) = -38 evaluating and multiplying

-2x - 30 = -38 apply the parentheses

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Thus x = 4 and y = -5, or (4, -5) is the solution.

6 0
3 years ago
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Every day at noon, a bus leaves for Townville and travels at a speed of x kilometers per hour. Today, the bus left 30 minutes la
goblinko [34]

Answer:

Step-by-step explanation:

Given that every day at noon, a bus leaves for Townville and travels at a speed of x kilometers per hour. Today, the bus left 30 minutes late.

If the driver drives 7/6 times as fast as usual, she will arrive in Townville at the regular time.

If correct time leaves then distance = time *speed

280 = t*x where t is the time in hours

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Now speed changes to 7x/6 while time changes to (t-1/2)

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x = 80 km per hour

5 0
3 years ago
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