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
mr Goodwill [35]
3 years ago
8

3(0.7z+2.8)=7(1.5z+7.2)

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0

Answer:

z = -5

Step-by-step explanation:

3(0.7z + 2.8) = 7(1.5z + 7.2)

2.1z + 8.4 = 10.5z + 50.4

2.1z - 10.5z = 50.4 - 8.4

-8.4z = 42

z = 42/(-8.4)

z = -5

You might be interested in
If A ⊂ B, then A ∩ B = ∅. <br> true<br> false
Aloiza [94]

Answer: false

Step-by-step explanation:

4 0
3 years ago
Find the velocity in meters per second of a baseball thrown 38m from third base in 1.7s
frosja888 [35]
1.7 s<span>, then the </span>velocity<span> of the </span>baseball<span> is 22.35 </span>m/s<span> toward first base. hope this helps.</span>
3 0
3 years ago
Jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest w
pishuonlain [190]

Answer:

59 feet per second

Step-by-step explanation:

  • (40m)(5280ft)=211,200 ft/hr
  • (211,200 ft/hr )=(211,200ft/3600s)
  • 58.7 ft/s
6 0
3 years ago
Read 2 more answers
Help find out what the x is please
miss Akunina [59]

Answer:

x=4

Step-by-step explanation:

First you want to add 8.8 to 7.2 and get 16 because you want to get x alone

Next divide divide 4x on both sides so 4x/4x cross out and left with just x. 16/4 =4

x=4

Hope this helps!


6 0
3 years ago
Read 2 more answers
Please someone help me<br><br> Only the ODD questions please.
Klio2033 [76]
I hope you can read this, and I hope you understand how I did 7. I probably overworked it, and it was possibly a simpler way to get it.

7 0
3 years ago
Other questions:
  • PLEAAASE HELP! TON OF POINTS, ALL FREE FOR BRAINLIEST RIGHT ANSWER! GEOMETRY GUYSS
    11·2 answers
  • A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confid
    15·1 answer
  • A van travels 240 miles on 20 gallons of gas. How far does it travel per gallon?
    15·2 answers
  • Latavia purchased adult and child tickets for the fall festival. Tickets cost $14.88 for each adult and $8.88 for each child. Le
    8·2 answers
  • If one exterior angle is 4x-2 and the exterior angle equals 120, what is angle X
    6·1 answer
  • What is the circumference of a circle that has a radius of 4
    7·2 answers
  • You are in charge of creating a billboard advertisement that is 16 feet long and 8 feet tall. You make a scale drawing that is 3
    10·1 answer
  • Would this be 18?? Please help
    14·1 answer
  • I need help! asap please​
    15·2 answers
  • X+y&lt;-1jjjjjjjjjjhhhjjjjjj
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!