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
9966 [12]
3 years ago
12

Step by step please (variable expression)

Mathematics
1 answer:
Naddika [18.5K]3 years ago
6 0

Answer:

139

Step-by-step explanation:

Substitute x for 15.

9(15)+4

Then multiply:

135+4

And then add:

139

You might be interested in
The science of physics, specifically projectile motion, goes hand in hand with the mathematics of trigonometry. We need the math
Luda [366]
If we want to calculate the time it takes to fill a water tank, we need the flow and volume of the tank.
 The flow must be a data, but for the volume of the tank we need mathematics.
 For example, if it is a cylinder, we need mathematics to know that the volume of the cylinder is:
 V = pi * r ^ 2 * h
5 0
3 years ago
Find the value of each variable that ensures that each equilateral is a parallelogram
puteri [66]
Opposite sides are equal in a parallelogram.

3a-12 = \frac{1}{2}a-7

\frac{5}{2}a = 5

a = 2
8 0
3 years ago
the scale of a tower to its scale model is 1 meter 5cm . if the tower is 6 meters by 20 meters what are the dimensions of the sc
nikklg [1K]
1 m = 5 cm

6 m = 6 * 5 = 30 cm
20 m = 20 * 5 = 100 cm

dimensions are : 30 cm by 100 cm
8 0
3 years ago
A recipe for banana bread requires 3 cups of bananas for every 1 1/2 cups of sugar used. At this rate how many cups of sugar sho
mr Goodwill [35]

Answer:

The answer is 1 cup of sugar

Step-by-step explanation:

x = 2 x 1.5/3

x = 3/3

x = 1 cup of sugar

hope it helps!

4 0
3 years ago
Help me please I have no clue
emmainna [20.7K]

Answer:

x = 12.8

Step-by-step explanation:

i use this calculator to find triangle measurements as long as you know like three values it works

https://www.calculator.net/triangle-calculator.html?vc=90&vx=&vy=10&va=38&vz=&vb=&angleunits=d&x=79&y=19

ik sending a link is hecka sus but you can just look up triangle calculator and it'll pop up

7 0
3 years ago
Other questions:
  • Solve the following system of equations:
    12·2 answers
  • Which graph represents the function y = x – 2?
    7·2 answers
  • Suppose a baseball team has 14 players on the roster who are not members of the pitching staff. Of those 14 players, assume that
    6·1 answer
  • Which statement is ture about the graphs of the two lines y=-4/5x+2 and y=-5/4x-1/2
    12·2 answers
  • What is the factorization of the polynomial <br> 2x^2+28x+98
    7·1 answer
  • Help please and thank you​
    12·2 answers
  • An someone please help!
    12·1 answer
  • The elephants at the zoo eat 3 2/3 buckets of bananas each day. The zookeeper bought 7 1/3 buckets of bananas. How many days wil
    14·1 answer
  • 1) Calculate the number of ways in which 5 lottery balls can be selected from a pool of 35 balls. What is the probability of win
    14·1 answer
  • do not try me adamins i will get you you mack my points 100- or ban me i am not going to stop bakas ps i need help
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!