1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pepsi [2]
2 years ago
10

WRITE AN EQUATION FOR EACH OF THESE AND SOLVE IT TO FIND THE VALUE OF THE UNKNOWN NUMBER:

Mathematics
2 answers:
castortr0y [4]2 years ago
8 0

a) a *5+5= 20

5a + 5 = 20

5a = 20 - 5

5a = 15

a = 15/5

a = 3

b) b/5 - 5 = 4

b/5 = 4 + 5

b/5 = 9

b =9*5

b = 45

san4es73 [151]2 years ago
8 0
A)

Let the number we think be x.

Then,

According To The Question

=( x × 5 ) + 5 = 20
= x × 5 = 15
= x = 15/5 = 3


b)

Let the number we think be x.

Then,

According To The Question

=( x/5 ) - 5 = 4
= x/5 =9
= x = 9 × 5 = 45

HOPE THIS WILL HELP YOU
You might be interested in
A high school educational researcher interviews 50 randomly selected high school female teachers and 50 randomly selected high s
Oliga [24]

Answer:

Stratified Sampling

Step-by-step explanation:

The given scenario corresponds to stratified sampling because the population is divided in to two strata and from each stratum a random sample of 50 teacher is selected. The stratified sampling involves the selection of random sample of sampling units from the strata constructed by dividing diverse population into similar groups. Here. in the given statement the population is "High School Teachers" which is divide into two strata "Male high school teacher" and "female high school teacher" and then selecting a random sample of size 50 from each stratum.

Hence the given situation corresponds to Stratified Sampling.

8 0
3 years ago
A shipping container can hold a maximum of 3,000 pounds of cargo how many 150 lb boxes can go inside the container?
Bond [772]
20 boxes can fit inside
5 0
2 years ago
The value of a car t years after it is purchased is given by the decreasing function V, where V(t) is measured in dollars. The r
Lana71 [14]

Answer:

dV(t)/dt = kV(t)

Step-by-step explanation:

Since the rate of change of the car’s value in dollars per year dV(t)/dt is proportional to the car’s value V(t), ten

dV(t)/dt ∝ V(t)

dV(t)/dt = kV(t)

7 0
3 years ago
The step function f(x) is graphed.
nika2105 [10]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help with math please! This is table to linear equation (level 3)
kolbaska11 [484]

Answer:

y = -5x-4

Step-by-step explanation:

start with slope-intercept form:

-9-11/1+3 = -20/4 = -5

your slope is -5

next, do point-slope form:

y+9 = -5(x-1)

y+9 = -5x+5

 -9         -9

y = -5x-4

4 0
2 years ago
Other questions:
  • Which line on the graph below has a slope of zero?<br><br><br> P<br> Q<br> R<br> S
    8·2 answers
  • Original price is $29.99 markdown 33 1/3%
    7·2 answers
  • What is the range of change of the function f(x) =3x-12 for the domain (-2,2)?
    14·1 answer
  • Express each of the following in a+bi form. a)(2 +5i)+(4 +3i)b)(−1+2i) − (4 − 3i)c)(5+3i)(3 +5i)d)(1 +i)(2 − 3i) +3i(1− i) − i
    8·1 answer
  • Where do you use percents in everyday life?​
    6·1 answer
  • A company that makes hair-care products had 6,000 people try a new shampoo. Of the 6,000 people,
    15·1 answer
  • 2 - [7+5 - (-4)]<br> show work too, please
    12·2 answers
  • Some one plz inbox me​
    8·2 answers
  • 1/a-1/b=1/c=1/d find the value of C , if a=1/2 , b=1/4 and d=-1/5
    15·1 answer
  • Given a function described as equation y = 3x + 4, what is y when x is 1, 2, and 3?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!