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3 years ago

NEED HELP ASAP!!! WILL GIVE BRAINLIEST TO CORRECT ANSWERS ONLY!!!!!!

Mathematics

1 answer:

Rainbow [258]3 years ago

5 0

Answer:

y= mx + b

y = 4x +3

Step-by-step explanation:

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In the figure below, lines that appear to be tangent are tangent. Point O is the center of the circle. Which of the following is

posledela

Answer:

(D) 120 degrees

Step-by-step explanation:

From the figure drawn, we have

∠ABC=60°

And ∠OAB=∠OCB=90° (angles made by tangent on the circle is 90°)

Thus, ∠AOC+∠OCB∠CBA+∠OAB=360° (Angles sum property of quadrilateral)

$x+90^{\circ}+90^{\circ}+60^{\circ}=360^{\circ}$

$x+240^{\circ}=360^{\circ}$

$x=120^{\circ}$

Therefore, the value of x is $120^{\circ}$

Hence, option D is correct.

6 0

4 years ago

Read 2 more answers

10. 10x + 5y = 15

Westkost [7]

Answer:

x = 1.5

y = 0

Step-by-step explanation:

10x + 5(2x - 3) = 15

10x + 10x - 15 = 15

20x - 15 = 15

20x = 30

x = 1.5

y = 2(1.5) - 3

y = 3 - 3

y = 0

Check:

10(1.5) + 5(0) = 15

15 + 5(0) = 15

15 + 0 = 15

15 = 15

7 0

4 years ago

The average hourly wage of workers at a fast food restaurant is $6.75 with a standard deviation of $0.25. If the distribution is

Sholpan [36]

Answer:

25% would be the answer

Step-by-step explanation:

3 0

4 years ago

Solve the problem. Express your answer to the correct number of significant figures. 6. 221 × 7. 11 − 13. 7 =.

Tresset [83]

Answer:

30.5

Step-by-step explanation:

hope this helps mark me brainliest:)

7 0

3 years ago

Consider the equation 2(ax+3)=4x−3(4x+8). For what value of a is there no solution to the equation?

erastovalidia [21]

Answer:

the value of $a$ such that there is no solution to the equation is $a = -4$ .

Step-by-step explanation:

Let first simplify the expression presented on statement. The equation has no solution if and only if $a$ is eliminated in the process and an absurd is the result (i.e. $0 = 7$ ).

$2\cdot (a\cdot x + 3) = 4\cdot x -3\cdot (4\cdot x + 8)$

$2\cdot a\cdot x +6 = 4\cdot x -12\cdot x -24$

$2\cdot a \cdot x+6=-8\cdot x-24$

$2\cdot a\cdot x +8\cdot x = -30$

$2\cdot (a+4)\cdot x = -30$

$(a+4)\cdot x = -15$

To obtain an absurd, we need that $a+4 = 0$ . Hence, the value of $a$ such that there is no solution to the equation is:

$a = -4$

Let prove the certainty of the result. We find that an absurd exist: ( $a = -4$ )

$0 = -15$

5 0

3 years ago