3 years ago

The difference of a number and 7 is 8

Mathematics

2 answers:

Alchen [17]3 years ago

8 0

The equation would look like x-7=8.
To solve it, you add 7 on both sides to get x=15

Eddi Din [679]3 years ago

4 0

Let the number be h
H-7=8
H=8+7
H=15

You might be interested in

Find the area of this parallelogram

eduard

Area is base x height
4x2=8 cm

3 0

2 years ago

The two pentagons shown are similar. What is the value of x?

Shtirlitz [24]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

If (k,6k) and (3k,10k) are two points on the graph of a line and K is not equal to 0, what is the slope of the line?

Nataliya [291]

Answer:

Step-by-step explanation:

slope = y2-y1/x2-x1

Given the coordinates (k,6k) and (3k,10k)

x1 = k

y1 = 6k

x2 = 3k

y2 = 10k

Substitute

slope = 10k-6k/3k-k

slopw = 4k/2k

slope = 4/2

slope = 2

Hence the slope of the line is 2

7 0

2 years ago

At the local college, a study found that students earned an average of 14 credit hours per semester. A sample of 138 students wa

77julia77 [94]

Answer:

1932 credit hours

Step-by-step explanation:

Create a proportion

credits credits

---------- = ----------

students students

14 ?

---- = -----

1 138

14 times 138

1932 credit hours

6 0

2 years ago

The value of Adam's model railway is $550.

garik1379 [7]

Answer:(c)

Step-by-step explanation:

Given

The initial value of Adam's model is $A_o=\$550$

the value increases exponentially with the rate of $r\%$

Time period $t=5\ years$

Final amount $A=\$736$

Exponential growth is given by

$\Rightarrow A=A_o(1+r)^t$

Putting values

$\Rightarrow 736=550(1+r)^5\\\\\Rightarrow (1+r)^5=1.338$

$\Rightarrow 1+r=1.05999\\\Rightarrow r=0.05999\ or\ 5.99\%\approx 6\%$

Option (c) is correct

6 0

2 years ago