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
lyudmila [28]
3 years ago
12

Please Answer and Show your Work:

Mathematics
1 answer:
Luba_88 [7]3 years ago
7 0

Answer:

first one is -1, second one is also -1, third one is -1/2, the fourth one is 9/4, the fifth one is 2, and the last one (sixth) is 16/25.

Step-by-step explanation:

4x +3 = -1 all multiply by 13, = 4x + 3 = -1, subtract 3 on both sides, x= -1.  Do what I told you the first equation and you will get it. put all the denominators in common denominator which in this case is 6, then multiply everything by 6, add like terms, = -2x + 2 = 3, then subtract 2 on both sides, then divide -2 on both sides. put all denominators to 16 then multiply everything by 16, 4x -6 will = to 3, add 6 on both sides, 4x = 9, then divide 4 on both sides then you will get 9/4. put all of the denominators up to 12, and multiply everything by 12, then add like terms, 7 = 2x +3, subtract 3 on both sides, 4 = 2x, divide 2 on both sides now, and the answer is 2. the last one is also pretty simple, put all the denominators to 21, multiply everything by 21, add like terms, 16x = 25, divide 16 on both sides, then the answer is 16/25.

You might be interested in
Please I need help, JUST one problem.<br> I need to show my work please!!
lara31 [8.8K]

Answer:

proved that x=9

Step-by-step explanation:

A line that splits an angle into two equal angles. ("Bisect" means to divide into two equal parts)

so <CAB=<DAB

7x+2=5(x+4)

7x+2=5x+20

7x-5x=20-2

2x=18

x=9

7 0
3 years ago
ASAP NEED HELP!!!! ∩ω∩ Michael has $15 and wants to buy a combination of school lunches to feed at least three classmates. A san
Nikitich [7]

Answer:

Step-by-step explanation:

A. The first inequality is graphed as a shaded area below the solid line with x-and y-intercepts of 7.5 and 5, respectively. The second inequality is graphed as a shaded area above the solid line with x- and y-intercepts of 3.

The solution set is the set of integer-valued grid points one or between the lines.

__

B. The point (5, 1) is included in the solution area. Mathematically, it can be shown to satisfy the two inequalities:

  2(5) +3(1) ≤ 15   ⇒   13 ≤ 15   True

  (5) +(1) ≥ 3   ⇒   6 ≥ 3   True

__

C. The point (5, 1) is in the solution set. It means Michael can purchase 5 sandwiches and 1 hot lunch within his budget constraints. That will provide 6 meals, which is more than the minimum of 3 that he wants to provide.

8 0
3 years ago
The small rectangle was enlarged to create the big rectangle.
kow [346]

Answer: the missing measure on the big rectangle is 30 feet.

Step-by-step explanation:

If the small rectangle was enlarged to create the big rectangle, it means that they are similar. This also means that the dimensions of the larger rectangle different form the dimensions of the smaller rectangle by a constant ratio or factor.

The smaller rectangle has a length of 12 feet and width of 2 feet. The larger rectangle has a length of x feet and width of 5 feet. This means that

x/12 = 5/2

Cross multiplying, it becomes

2x = 12 × 5 = 60

x = 60/2 = 30

7 0
3 years ago
Read 2 more answers
Help?? 8 points please
skelet666 [1.2K]

Answer:

i and iii

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
CAN SOMEONE HELP ME WITH THESE QUESTIONS PLEASE!?
sukhopar [10]

Answer:

Step-by-step explanation:

1.

(c+9)^2=64=8^2\\

c+9=±8

either c=8-9=-1

c=-8-9=-17

so c=-1,-17

D

2.

8x^2-3=2

8x^2=5

x^2=\frac{5}{8}=\frac{10}{16}

x=±\frac{\sqrt{10}}{4}

so A

3.

x^2+4x+4=18\\(x+2)^2=9*2\\x+2=3\sqrt{2} \\x=-2  ±3\sqrt{2}

so D

or

8 0
3 years ago
Other questions:
  • Two lines intersect at a point. The vertical angles formed are supplementary.
    8·1 answer
  • If f(x) = 6x - 5 and (x) = -x + 1 , what is the value of f(g(-3)).
    12·1 answer
  • Pranav bought 6 packages for $18 how many packages can she buy if she has 6$
    12·2 answers
  • What is the cube root of (5x^3)(4x)^3?
    10·1 answer
  • If tan²A = 1+ 2tan²B<br>Show: COS2B = 1+2 cos2A​
    10·1 answer
  • What is the ratio between 90 and 40,000​
    13·1 answer
  • How many times greater is the value of the 7 in 874,699 than the value of
    13·1 answer
  • Please can someone round this to the nearest thousands (2996)​
    14·1 answer
  • Please help me
    11·1 answer
  • The area of a triangle is 48cm^2. The height of the triangle is 6cm. Calculate the length of the base
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!