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PtichkaEL [24]
3 years ago
8

Please help i will give u a brainly

Mathematics
2 answers:
Alex777 [14]3 years ago
4 0

Answer:

x=45degrees because there is 180 degrees on the straight lne and the first one is 90 degeeese and since it is split in half 90/2 is 45

Step-by-step explanation:

Mila [183]3 years ago
3 0
It’s 50 because of the straight line, you do 180-140 to give you 40. Then you take 40 diagonally and subtract it from 90?
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George is twice as old as Edward, and Edward's age exceeds Robert's age by 4 years. If the sum of the three ages is at least 56
marshall27 [118]

Answer:Robert's minimum age is 11 years.

Step-by-step explanation:

Let x represent George's age.

Let y represent Edward's age.

Let z represent Robert's age.

George is twice as old as Edward. It means that

x = 2y

Edward's age exceeds Robert's age by 4 years. It means that

z = y - 4

If the sum of the three ages is at least 56 years, it means that

x + y + z ≥ 56 - - - - - - - - - - 1

Substituting x = 2y and z = y - 4 into equation 1, it becomes

2y + y + y - 4 ≥ 56

4y - 4 ≥ 56

4y ≥ 56 + 4

y ≥ 60/4

y ≥ 15

z = y - 4 = 15 - 4

z ≥ 11

8 0
3 years ago
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
dalvyx [7]

Answer:

The answer would be: D. (1,2) and (2,-1)

5 0
3 years ago
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Index notation 4x4x4x5x5
hodyreva [135]

Answer:

1600

Step-by-step explanation:

6 0
3 years ago
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What is √101.6064 in to 1 decimal place and in standard form?​<br>NEED ASAP
Dimas [21]

Note that

10² = 100

0.08² = 0.0064

and

101.6064 = 100 + 1.6 + 0.0064

It also happens that

1.6 = 2 • 10 • 0.08

which means

101.6064 = 100 + 1.6 + 0.0064

101.6064 = 10² + 2 • 10 • 0.08 + 0.08²

101.6064 = (10 + 0.08)²

101.6064 = 10.08²

which means

√101.6064 = 10.08

which, to one decimal place, is approximately 10.1.

3 0
2 years ago
NEED ANSWER ASAP HELP<br><br> Given ABC with altitude h<br> Prove: sin(B)/b=sin(C)/c
MAXImum [283]

Using the given information in the diagram, we have proven that sin(B)/b = sin(C)/c

<h3>Proving the Sine rule </h3>

From the question, we are to prove that sin(B)/b=sin(C)/c

Consider the right triangle with sides a, c, and h

Using SOH CAH TOA, we can write that

sin(B) = h/c

∴ h = c × sin(B) --------- (1)

Also,

Consider the other right triangle

Using SOH CAH TOA, we can write that

sin(C) = h/b

∴ h = b × sin(C) ---------- (2)

Equate equations (1) and (2)

That is,

c × sin(B) = b × sin(C)

This can then be expressed as

sin(B)/b = sin(C)/c

Hence, the given expression is proven as shown above

Learn more on Proving the Sine rule here: brainly.com/question/12271113

#SPJ1

8 0
2 years ago
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