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Oksanka [162]
3 years ago
14

Can you guys help me​

Mathematics
2 answers:
Alex3 years ago
6 0

Answer:

a: 8x - 24

Step-by-step explanation:

Since the ray SQ bisects the angle RST, the angle RSQ must be half of RST. Since the angle RSQ is defined as 4x-12, to find RST, multiply it by 2: 2(4x-12) = 8x-24.

natita [175]3 years ago
4 0

Answer:

would be A

Step-by-step explanation:

because bisecting means both sides equal the same. so 4x-12 times two is 8x-24. Hope this helps

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Mrs Lim packs 35 big and small bags of candies for her pupils. Each big bag contains 12 candies and each small bag contains 7 ca
Anastasy [175]

Answer:

there are 11 big-bags and 24 small-bags.

Step-by-step explanation:

there are x big-bags and y small-bags.

so now we can know:

(1) x + y = 35

(2) 12x + 7y = 300

in (1),we can do like this:

both left and right x7

then (x + y)x7 = 35 x 7

then 7x + 7y = 35 x 7  

then 7x + 7y = 245

now,

(1)7x + 7y =245

(2)12x + 7y = 300

we can both left and right do this: (2) - (1)

then

(12x + 7y) - (7x + 7y) = 300 -245

then

12x + 7y - 7x - 7y = 300 -245

then

12x - 7x +7y - 7y =300 -245

then

5x =55

then

5x ÷ 5 = 55 ÷ 5

then

x = 11

because

x + y =35;x=11

so

11 + y =35

11+ y -11 = 35 -11

then

y = 24

now we know:there are 11 big-bags and 24 small-bags.

3 0
3 years ago
If f(x) = 11x-1, then f^-1(x)=?
4vir4ik [10]
Yes you are correct with that answer
3 0
3 years ago
What is 9+10 pls help it too hard :( I give brainiest give me step by step explain
Svetllana [295]

Answer:

9+10=90

Step-by-step explanation:

10x9=90

I hope it helps:)

3 0
2 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME
Evgesh-ka [11]

Answer:

BDE- 85

EDG- 50

FDG- 60

CDA- 85

Step-by-step explanation:

6 0
2 years ago
What is the coefficient of X^2Y^2 in the expansion of (x+y)^4
nata0808 [166]

Answer:

6

Step-by-step explanation:

We want to expand this; (x + y)⁴

This can be written as;

(x + y)² × (x + y)²

This gives;

(x² + 2xy + y²) × (x² + 2xy + y²)

This gives;

x²(x² + 2xy + y²) + 2xy(x² + 2xy + y²) + y²(x² + 2xy + y²) = x⁴ + 2x³y + x²y² + 2x³y + 4x²y² + 2xy³ + x²y² + 2xy³ + y⁴

Simplifying gives;

x⁴ + 4x³y + 4xy³ + 6x²y² + y⁴

Thus, the coefficient of x²y² is 6

3 0
2 years ago
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