MATHEMATICS MIDDLE SCHOOL

Solve log4 +(x+2) =1

Answers

Answer 1

Answer:

x = -5

so now all u have to do is put

4+(-5 + 2)=1

and now u have your answer

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Which ordered pairs in the form (x, y) are solutions to the equation 4x – 5y = 24?

Choose all answers that are correct.

A. (-9,-12)

B. (1,-4)

C. (4,8)

D. (6,0)

Answers

The ordered pairs are (-9,-12) and (6,0) satisfying the equation 4x – 5y = 24. The correct option is A and D.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given expression is 4x – 5y = 24. We will check the points as:-

4x – 5y = 24

Use:- (-9,-12)

( 4 x -9 ) - ( 5 x 12) = 24

-36 - 60 = 24

24 = 24

4x – 5y = 24

Use:- (6,0)

( 4 x 6 ) - 0 = 24

24 = 24

Therefore, the ordered pairs are (-9,-12) and (6,0) satisfying the equation 4x – 5y = 24. The correct option is A and D.

To know more about an expression follow

brainly.com/question/2701113

#SPJ2

Plug the values into the equation and check if it's true.

$(x,y)=(-9,-12) \n4 * (-9) -5 * (-12) \stackrel{?}{=} 24 \n-36+60 \stackrel{?}{=} 24 \n24 \stackrel{?}{=} 24 \n24 = 24 \na \ solution \n \n(x,y)=(1,-4) \n4 * 1 - 5 * (-4) \stackrel{?}{=} 24 \n4+20 \stackrel{?}{=} 24 \n24 \stackrel{?}{=} 24 \n24=24 \na \ solution$

$(x,y)=(4,8) \n4 * 4 - 5 * 8 \stackrel{?}{=} 24 \n16-40 \stackrel{?}{=} 24 \n-24 \stackrel{?}{=} 24 \n-24 \not= 24 \nnot \ a \ solution \n \n(x,y)=(6,0) \n4 * 6- 5 * 0 \stackrel{?}{=} 24 \n24 -0 \stackrel{?}{=} 24 \n24 \stackrel{?}{=} 24 \n24=24 \na \ solution$

The answers are A, B and D.

I'm confused how to do this??

Answers

1) Find x
The equation is:
4x=64

x=64/4=16

answer: x=16º

2)Find y:
The equation is:
(2y)+(3y+5)=180
5y=180-5
5y=175
y=175/5
y=35

Answer: y =35º

Find the measure of each angle...
3)∠a
2y+4x+a=180
2(35º)+4(16º)+a=180º
70º+64º+a=180º
a=180º-70º-64º=46º

Answer: ∠a=46º.

4)∠b
a+b=180º
46º+b=180º
b=180º-46º
b=134º

Answer: ∠b=134º

5)∠c
a+c=180º
46º+c=180º
c=180º-46º
c=134º

Answer: ∠c=134º

6)∠d
112º+d=180º
d=180º-112º
d=68º

Answer: ∠d=68º

7) ∠e
64º+d+e=180º
64º+68º+e=180º
e=180º-64º-68º
e=48º

Answer: ∠e=48º

8)∠f
e+f=180º
48º+f=180º
f=180º-48º
f=132º

Answer: ∠f=132º

What is (in fractions) 27- 25 1/6 (don't need explanation)

Answers

27-25 1/6= 13/6 (thing wouldn't let me post without 20 characters)

Last summer,Karl went to the beach every 2 days. Antonia went to the beach every 3 days.How often did they see each other at the beach?

Answers

I think it would be every six days because if you count by threes and then by twos you get six both times and they would see each other on the sixth day. Hope that helped you :D

They see each other every 6 days. You just need to find the LCM of 2 & 3 which is 6.

Hope I helped:P

When two chords intersect "inside" a circle, what two sets of
angles are formed.

Answers

Answer:

Two sets of vertical angles are formed.

What is a diagram used to show the total number of possible outcomes in a probability experiment

Answers

The diagram used to show the total number of possible outcomes is called a TREE DIAGRAM.

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