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Xelga [282]
3 years ago
9

Calculate the followingA)-10-(-19)+(8-16)B)-6×2+4÷2​

Mathematics
2 answers:
Lelechka [254]3 years ago
3 0

Answer:

A. 1

B. -10

Step-by-step explanation:

Naddika [18.5K]3 years ago
3 0

Answer:

1

-10

Step-by-step explanation:

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If p(x)=x^2+x+1 and q(x)=3x^2-1, find p(7)
Delvig [45]

Answer:

p(7) = 57

Step-by-step explanation:

Because this is a function, all you have to do is input 7 for x like so:

p(x)=x^2+x+1 --------------->     p(7)=7^2+7+1

                                            so 49 + 8

                                                = 57

7 0
2 years ago
HELP! 8TH GRADE MATH PLS LOL
LekaFEV [45]
<h2><u>Given</u><u>:</u><u>-</u></h2>

{ \large{➢ \:  \:  \bf{x =  - 8}}}

<h2><u>Solution</u><u>:</u><u>-</u></h2>

{ \large{➢ \:  \:  \bf{ \dfrac{2y}{3}  = 3 \times  - 8 + 34}}}

{ \large{➢ \:  \:  \bf{ \dfrac{2y}{3}  =  - 24 + 34}}}

{ \large{ \bf{ ➢ \:  \: \cancel{2}y = 3 \times { \cancel{(10)} {} \:  \:  ^{5} }}}}

{ \large{ \therefore{  \bf{y = 15 \:  \: Ans.}}}}

3 0
3 years ago
In segment AC, the midpoint is B. If segments AC = 5x-9 and AB = 2x, what is the measure of segment AC.
IgorLugansk [536]

Answer:

The measure of segment AC is 36 units

Step-by-step explanation:

- The mid-point divides the segment into two equal parts in length

- B is the mid point of segment AC

- That means B divides segment AC into two equal parts in length

∴ AB = BC

∵ AC = 5x - 9

∵ AB = 2x

- The two parts AB and BC are equal in length

∴ BC = 2x

∵ AC = AB + BC

- Substitute the values of AB and BC in the expression of AC

∴ AC = 2x + 2x

∴ AC = 4x

∵ AC = 5x - 9

- Equate the two values of AC

∴ 5x - 9 = 4x

- Add 9 to both sides

∴ 5x = 4x + 9

- Subtract 4x from both sides

∴ x = 9

- Substitute the value of x in any expression of AC

∵ AC = 4x

∵ x = 9

∴ AC = 4(9) = 36

* The measure of segment AC is 36 units

8 0
3 years ago
Hey!! I need this answer fast, no cap allowed!!
KIM [24]

1

(5(0)+1/2)2

(1/2)2

2/2

1

8 0
3 years ago
Idk sooo please help
borishaifa [10]

Answer:

20 points

Step-by-step explanation:

Points:

  • 21, 13, 14 and x for the last game

Average:

  • (21+13+14+x) / 4 = 17
  • 48 + x = 4*17
  • 48 + x = 68
  • x = 68 - 48
  • x = 20

They must score 20 points

6 0
3 years ago
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