3 years ago

Solve x? - 8x = 3 by completing the square. Which is the solution set of the equation?

Mathematics

1 answer:

vodka [1.7K]3 years ago

5 0

-14 - 11.4 + V11) is the answer

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If 2x+7 over 4 =5, what is the value of 6x

jekas [21]

Answer:

(2x+7)/4=5

2x+7 = 20

2x= 20-7

2x = 13

x = 13/2

6x =13/2×6

=13×3

=39

4 0

3 years ago

Estimate the value 9.03 + 19.87 x 3.11 - 4.97

Nuetrik [128]

Answer:

-53.754

Step-by-step explanation:

step 1:

9.03 + 19.87 = 28.9

step 2:

3.11 - 4.97 = -1.86

step 3:

28.9 x -1.86 = -53.754

3 0

3 years ago

A convex hexagon has exterior angles of 39°, 47°, 42°, 59°, and 64°. What is the measure of an exterior angle at the

meriva

Answer: $109^{\circ}$

Step-by-step explanation:

The exterior angles of a polygon add to 360 degrees, so the sixth angle measures $360-39-47-42-59-64=\boxed{109^{\circ}}$

7 0

2 years ago

Solve for z. -2 (52 - 4) +62 = -4

Masja [62]

Answer:

if you learned, PEMDAS then it be easier! soo I'll help.

Step-by-step explanation:

-2 ( 52- 4 ) is 48. 48 + 62= 110

if that's wrong, then I'm sorry!

——

110

6 0

3 years ago

Cho tam giác ABC vuông tại A đường cao AH có BH=9 cm, CH= 10 cm. a tính AH. b tính ^B ,^ C

ohaa [14]

Answer:

Could you please put this in english?

Step-by-step explanation:

So sorry I can't help

4 0

3 years ago