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3 years ago

Can someone help me? I’ll reward points + brainalist

Mathematics

2 answers:

Alex777 [14]3 years ago

8 0

<u>Answer:</u>

it's the set that will add to 180°

36° + 42° + 102° = 180°

Veronika [31]3 years ago

3 0

Answer:

Step-by-step explanation:

This is because here,

36° + 42° + 102° = 180°

Hence, a triangle can be made.

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Mark Went to the store and purchase nine pairs of socks and three packages of undershirts for $8.28 each he also purchase a pair

agasfer [191]

Answer:

He paid $2.35 for each pair of socks.

An equation using the variable S is

$77.99 = 9S + (3 × $8.28) + $32

Step-by-step explanation:

Let S be the cost of a pair of socks

From the question, Mark purchase nine pairs of socks, that is, the total cost of the pairs of socks is 9S

He purchase three packages of undershirts for $8.28 each; the total cost of the three packages of shirt will be 3 × $8.28 = $24.84

and he also purchase a pair of pants for $32

Since he spent a total of $77.99, we can write that

$77.99 = 9S + (3 × $8.28) + $32

Now, we can determine S, the cost of a pair of socks

$77.99 = 9S + (3 × $8.28) + $32

$77.99 = 9S + $24.84 + $32

$77.99 = 9S + $56.84

9S = $77.99 - $56.84

9S = $21.15

S = $21.15/9

S = $2.35

Hence, he paid $2.35 for each pair of socks.

7 0

3 years ago

What are a) the ratio of the perimeters and b) the ratio of the areas of the larger figure to the smaller figure? The figures ar

Sergeeva-Olga [200]

Answer: 5/2 and 25/4

Step-by-step explanation:

6x5=30

6x2=12

...

say these were perfect squares,

12x12= 144

30x30= 900

900/144 = 25/5

8 0

3 years ago

Given the equation y = 4x - 3.A) If x increases by 1 unit, what is the corresponding change in y? B) If x decreases by 5 units,

DedPeter [7]

Answer:

A) y will increase by 4 unit.

B) y will decrease by 20 units

Step-by-step explanation:

Given equation that shows relation between x and y.

$y=4x-3$

A) If x is increased by 4 units

New value of y = $4(x+1)-3$

$=4x+4-3$

$=4x+1$

So, change in y = new value of y- original value of y

$=4x+1-(4x-3)$

$=4x+1-4x+3$

$=4$

Thus, the value of y will be increased by 4 units.

B) If x is decreased by 5 units

New value of y = $4(x-5)-3$

$=4x-20-3$

$=4x-23$

So, change in y = new value of y- original value of y

$=4x+1-(4x-3)$

$=4x-23-(4x-3)$

$=4x-23-4x+3$

= -20

Thus, the value of y will be decreased by 20 units.

7 0

3 years ago

PLZ HELP E!!!!!!! WILL MARK BRAINLIEST

vitfil [10]

Answer:

sec

(

)

sin

(

)

sec

(

)

Start on the left side.

sec

(

)

sin

(

)

Convert to sines and cosines.

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cos

(

)

sin

(

)

Write

sin

(

)

as a fraction with denominator

cos

(

)

⋅

sin

(

)

Combine.

sin

(

)

cos

(

)

⋅

Multiply

sin

(

)

sin

(

)

cos

(

)

⋅

Multiply

cos

(

)

sin

(

)

cos

(

)

Apply Pythagorean identity in reverse.

−

cos

(

)

cos

(

)

Simplify.

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cos

(

)

Now consider the right side of the equation.

sec

(

)

Convert to sines and cosines.

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cos

(

)

One to any power is one.

cos

(

)

Because the two sides have been shown to be equivalent, the equation is an identity.

sec

(

)

sin

(

)

sec

(

)

is an identity

Step-by-step explanation:

7 0

2 years ago

The FOIL method is used to multiply a binomial by a binomial.<br> True<br> O<br> False

riadik2000 [5.3K]

Answer:

True

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers