PLEASE HELP! WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER

Mathematics

2 answers:

Naddik [55]3 years ago

3 0

Answer:

180

Step-by-step explanation:

for 40 to be equal to 80 in percentages, the number has to be duplicated

Ksju [112]3 years ago

3 0

Answer:

180

Step-by-step explanation:

90×80/100=72

40/100×x=72

transpose 100

40x=72×100

x=7200/40=180

You might be interested in

Simplify the equation by combining like<br> terms.<br> 2x + 2x – 4y- y = 4x + [? ]y

Sholpan [36]

Answer:

4x+(-5y)

Step-by-step explanation:

6 0

3 years ago

What is the Expanded form of 0.068?

balu736 [363]

Six hundredths, and eight thousandths
Maybe...
Point zero six-eight

7 0

4 years ago

How to graph 9x+5y=-45

lilavasa [31]

9x +5y= -45 put in standard form y= mx+b coefficient of x is the slope, b is the y intercpept 5y= -9x -45 y= -9/5 x -45 graphing will start at -45 on the y axis from that point go down 9 to the right 5 for the slope continue and graph minimum 2 points to draw the line hope this helps

8 0

3 years ago

What is the value of the expression 6n + 45 when n = 7?

Rina8888 [55]

Answer:

value of the equation will be 87

Step-by-step explanation:

by putting value of n as 7 in given equation

we will get,

(6×7) + 45 = 42 + 45 = 87

6 0

3 years ago