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3 years ago

EASY EXTRA POINTS HELP ASAP

Mathematics

2 answers:

jonny [76]3 years ago

6 0

Answer:

(1, -1)

Step-by-step explanation:

Shkiper50 [21]3 years ago

5 0

Answer:

(1,-1)

Step-by-step explanation:

The intersection of the two lines

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Solve the equation for a.

Pavel [41]

Answer:

$\large\boxed{a=\dfrac{K}{4+9b}}$

Step-by-step explanation:

$K=4a+9ab\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\K=a(4+9b)\qquad\text{divide both sides by}\ (4+9b)\neq0\\\\\dfrac{K}{(4+9b)}=\dfrac{a(4+9b)}{(4+9b)}\\\\\dfrac{K}{4+9b}=a$

6 0

3 years ago

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Please help me with this question

Aleks [24]

Answer:

y=75x+1

Step-by-step explanation:

8 0

3 years ago

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Bro help me idk this one q-q n × 5 + 4 × 2 - 4 × 3 = 42

lina2011 [118]

Answer:

n = 9.2

Step-by-step explanation:

Isolate the variable by dividing each side by the numbers that do not contain the variable

7 0

3 years ago

2 of 8 = Given that y = 10 cm and 0 = 19°, work out x rounded to 1 DP. у х oo

Drupady [299]

Answer:

x = 3.255 cm

Step-by-step explanation:

Given:

⇒ y = 10cm

⇒ θ = 19

To find:

⇒ Value of "n"

Solution

⇒ By Pythagoras theorem

⇒ Δ Sin θ = n/y

⇒ sin 19° = n/10

⇒ 0.3255 = n/10

⇒ n = 0.3255 × 10

⇒ n = 3.255 cm

Hence, the answer is = n = 3.255 cm.

8 0

2 years ago

Please help I don’t understand how to do these

steposvetlana [31]

Answer:

I think there would be 86 blue marbles

x=4(106 - x ) + 6

x= 424 - 4x + 6

5x= 430

x= 86 blue marbles

Tell me if I'm wrong, hope this helps.

3 0

3 years ago