3 years ago

The sum of two numbers is 12. The difference of the same two numbers is -4. Find the numbers

Mathematics

1 answer:

seraphim [82]3 years ago

4 0

Answer:

4,8

Step-by-step explanation:

let the numbers be x and y

x+y=12

x-y=-4

add

2x=12-4=8

x=8/2=4

4+y=12

y=12-4=8

so numbers are 4 and 8

You might be interested in

Help me on #13 and please explain

hichkok12 [17]

Answer:

56.4°

Step-by-step explanation:

Let θ = the angle of elevation. Then

tanθ = 199/132 = 1.508

θ = arctan1.508

θ = 56.4°

The angle of elevation is 56.4°.

4 0

3 years ago

Which equation represents the data shown in the table below

Debora [2.8K]

It is obviously C. most obviously

8 0

3 years ago

Read 2 more answers

GEOMETRY PROOFS:

Marina CMI [18]

Answer:

Statement 2: ∠BAC = ∠CZY

Reason 3: Vertically opposite angles

Statement 4: YC = CB

Reason 5: AAS (Angle, Angle, Side)

Reason 6: Corresponding sides, congruent triangles

8 0

3 years ago

Every Wednesday, Carla runs 2.5 miles. How many feet did she run?

Inessa05 [86]

Answer:

13,200 feet

Step-by-step explanation:

There are 5280 feet in a mile, so multiply 5280 by 2.5

5280*2.5=13,200

So, every Wednesday, she runs 13,200 feet

Hope this helps! :)

7 0

3 years ago

Highest place value for 54

zvonat [6]

Answer:

tens=5

Step-by-step explanation:

4 0

3 years ago