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
Mumz [18]
3 years ago
7

Jane is seven years older than amy. twelve years ago, amy was half as old

Mathematics
2 answers:
Ilya [14]3 years ago
7 0
Jane+7=amy's age
7x2=14  14/2=7
j14=a7
amy -    7 +12years =19years now
goldenfox [79]3 years ago
7 0
J=jane's age now
a=amy's age now
a-12=amy's age 12 years ago


j is 7 older than a
j=7+a

12 years ago
amy was 1/2 as old as jamie is now
a-12=(1/2)j

so
j=7+a
sub 7+a for j

a-12=(1/2)(7+a)
times 2 both sides
2a-24=7+a
minus a both sides
a-24=7
add 24 both sides
a=31

j=7+a
j=7+31
j=38


jamie is 38 now
You might be interested in
You paint a border around the top of the walls in your room. What angle does x need to be to repeat the pattern?
jok3333 [9.3K]
Angle x° and angle 154° are supplementary angles, meaning that they equal 180° when added.

5 0
3 years ago
Find the solution set of the inequality:<br><br> -3x + 8 &lt; 15
Nata [24]

Answer:

the answer would be x>-7/3

7 0
3 years ago
( 3m - 2 ) + 2 - m + 3
tia_tia [17]

Answer:

nxxjdndndndkdkd

snns

Step-by-step explanation:

dndn ecochin

divination funk bunk

byhhbjdnd

nsnndbddnnjdjjjjkk

djsjdndnsndn

7 0
2 years ago
Recall the experiment comparing patients 4 weeks after surgery for carpal
dimulka [17.4K]

Answer:

4. H0: u1= u2    Ha; u1≠ u2

5. The smaller value of p supports the null hypothesis.

Step-by-step explanation:

4. The null and alternate hypotheses are

H0: u1= u2   i.e there no difference between the mean pinch strengthof the two surgeries

against the claim

Ha; u1≠ u2   i.e there a difference between the mean pinch strengthof the two surgeries

It can be written like this as well

H0: u1 -u2= 0   i.e there no difference between the mean pinch strengthof the two surgeries

against the claim

Ha; u1 -u2≠ 0   i.e there a difference between the mean pinch strengthof the two surgeries

Part 5. The test having a p- value less than 0.05  tells that the null hypothesis cannot be rejected. Theres no evidence to reject the null hypothesis.

The smaller value of p supports the null hypothesis.

3 0
2 years ago
Help please I will give you the brainliest
luda_lava [24]

Answer:

The area of a triangle is defined as the total region that is enclosed by the three sides of any particular triangle. Basically, it is equal to half of the base times height, i.e. A = 1/2 × b × h.

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table. W
    15·2 answers
  • What is the value of 5 in 756? Write and draw to explain how you know.
    15·1 answer
  • volume of cylinder with radius of base 7cm is 102cm³.what will be the volume of cone having same radius of base and same height​
    7·1 answer
  • Which equation can be used to calculate the area of the shaded triangle in the figure below?
    5·2 answers
  • For 40points. Find the volume?
    9·1 answer
  • Seven friends have a similar cell phone plan
    14·2 answers
  • What plus what equals 4 but multiplies to equal -5?
    12·1 answer
  • Please help me find the length
    5·1 answer
  • I need help very fast please!
    14·2 answers
  • A) Copy a segment using the construction tool. Insert a screenshot of the construction here.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!