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2 years ago

Analyze the diagram below and complete the instructions that follow. find sin angle C

Mathematics

1 answer:

tia_tia [17]2 years ago

5 0

the answer is A ;

sin = opposite/ hypotenuse

= 24/ 26 ( we need to simplify it)

= 12/13

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Is -6, -38 a solution to y= 7x+4

Sunny_sXe [5.5K]

Answer:

Yes, (-6,-38) is a coordinate pair off the equation

Step-by-step explanation:

Plug y=7x+4 into your graphic caculator

press 2ND, GRAPH and scroll up to see the point.

4 0

2 years ago

Solve linear equations Solve for x -2(4x + 3) = 3(x + 1)

inna [77]

Answer:

x = - $\frac{9}{11}$

Step-by-step explanation:

Given

- 2(4x + 3) = 3(x + 1) ← distribute parenthesis on both sides

- 8x - 6 = 3x + 3 ( subtract 3x from both sides )

- 11x - 6 = 3 ( add 6 to both sides )

- 11x = 9 ( divide both sides by - 11 )

x = - $\frac{9}{11}$

7 0

2 years ago

Read 2 more answers

Which expressions ere equivalent to x+x+x+2

Andrei [34K]

3x + 2

since x + x + x is 3x.

Or you can be creative

(6x+4)/2

im just trying to hit the 20 chac minimum.

3 0

3 years ago

Read 2 more answers

2.5kg cost £1.40 what is the cost of 4.25kg

madreJ [45]

Answer:

it is 5.7

Step-by-step explanation:

4.25 × 1.40

5.95 - 0.25

5.7 or 5.70

8 0

3 years ago

Su has 5 times as many marbles as Bertha. When Su gives Bertha 10 marbles, they have the same amount. How many marbles did they

Dafna11 [192]

Answer:

Part A)

The number of marbles that Su has at the beginning is $25$

The number of marbles that Bertha has at the beginning is $5$

Part B)

The number of marbles that Su has at the end is $15$

The number of marbles that Bertha has at the end is $15$

Step-by-step explanation:

Let

x------> number of marbles that Su has at the beginning

y------> number of marbles that Bertha has at the beginning

we know that

$x=5y$ ----> equation A

$x-10=y+10$ ----> equation B

substitute equation A in equation B

$(5y)-10=y+10$

$4y=20$

$y=5$

Find the value of x

$x=5(5)=25$

Part A) How many marbles did they EACH have at the begining?

The number of marbles that Su has at the beginning is $25$

The number of marbles that Bertha has at the beginning is $5$

Part B) How many did they EACH have at the end?

$x-10=y+10$

$25-10=5+10$

$15=15$

therefore

The number of marbles that Su has at the end is $15$

The number of marbles that Bertha has at the end is $15$

5 0

3 years ago