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
mash [69]
3 years ago
8

Been struggling with these problems can anyone help me 19,21,23,25,27,28,30

Mathematics
2 answers:
Vlada [557]3 years ago
6 0
19- would be -6+8 which equals 2

21- 8(2.1)-12 which equals 16.8-12 which is 4.8
23- 17 divided by 10 equals 1.7
FrozenT [24]3 years ago
3 0
21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8
You might be interested in
A jacket usually sells for $66.00. If the jacket is 30% off, and sales tax is 8%, what is the total price of the jacket, includi
RideAnS [48]

Answer:

$50.54

Step-by-step explanation:

$66.00 x .30 = $46.80 x .08 = 3.74 + 46.80 = $50.54

7 0
3 years ago
#10 AH IM STUCK ON THIS ITS HARD HELP
Dafna11 [192]

Answer:

4.8 in

Step-by-step explanation:

feet to inch conversion is *12

2 * 12 = 24

then divide the scale (for every 1 in on the model there is 5 in on the actual, so divide the actual value by 5)

24/5 = 4.8

your answer is 4.8 in

hope this helps:)

6 0
2 years ago
one foot of water column produces a pressure of 0.433psi . a gauge at the bottom of a water tower reads 44 psi. how high is the
Klio2033 [76]
The answer to the psi is 19.6
7 0
3 years ago
Courtney got 64 out of a 75 correct on the test what is the best estimate of the percent Courtney got correct
Firdavs [7]

Answer:

85.33%

Step-by-step explanation:

64/75=0.8533333...

x100 = 85.33%

3 0
3 years ago
Read 2 more answers
Can someone plz help me find the area for this composite figure plzzzz I beg u
Anarel [89]

S_1 = \frac{a+b}{2}h = \frac{7+9}{2}*5=\frac{18*5}{2}= 9 * 5 = 45~m^2

S_\triangle = \frac{ab}{2} = \frac{5*9}{2} = \frac{45}{2} = 22,5~m^2

S = S_1 + S_\triangle = 45 + 22,5 = 67,5~m^2

Answer: 67,5 m².

5 0
3 years ago
Read 2 more answers
Other questions:
  • Find the diameter of a circle whose circumference is 74cm
    7·1 answer
  • The accompanying data contains the depth​ (in kilometers) and​ magnitude, measured using the Richter​ Scale, of all earthquakes
    10·1 answer
  • What is the average rate of change for h(x)=x^2+x-6
    14·1 answer
  • A new youth activity center is being built in safe harbor. The perimeter of the rectangular playing field is 282 yards. The leng
    8·1 answer
  • How many ways are there to rearrange the letters of the word: COMBINATION?
    11·1 answer
  • Which expression is equivalent to -9a-10-6a+7−9a−10−6a+7
    13·1 answer
  • Wich equation best represents the relationship between x and y in the graph?
    15·2 answers
  • Y=−x+2<br>y=3x−4 <br>what does Y equal and what does X equal?
    8·1 answer
  • Matteo is working two jobs, making $15 per hour at the movie theater and $18 per hour washing cars. Last week Matteo worked a to
    8·1 answer
  • Pls help this is on edge
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!