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eduard
3 years ago
7

Jacob is 3 years younger than his friend Noah. Noah is x years old.

Mathematics
1 answer:
irinina [24]3 years ago
5 0

Answer:

x + 4  

Step-by-step explanation:

Noah's age = x

Jacob's age = x – 3

In seven years,

Jacob's age = x – 3 + 7

Jacob's age = x + 4

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Find the area........
masha68 [24]
The shape can be split into 3 shapes
Triangle
Large rectangle
Small rectangle

Triangle area
A=1/2 bh
A=1/2 5(8)
A=20

Large rectangle
A=bh
A=16(8)
A=128

Small rectangle
A=bh
A=5(6)
A=30

Total area
20+128+30=178

The area of the shape is 178m^2
4 0
3 years ago
Read 2 more answers
A box of chocolates includes 32 chocolates. If 1/4 contain nuts, how many chocolates do not contain nuts?
const2013 [10]

Answer: There should be 24 chocolates without nuts.

Step-by-step explanation:

32 divided by 4 is 8. 8 Chocolates will have nuts, and that leaves 24 without.

7 0
3 years ago
4(x - 1) please help me work this out
kondor19780726 [428]

Answer: x= -1

Step-by-step explanation:

First you take 4 and times it to x and -1, so 4 times x will just be 4x while 4 times -1 will be -4. Then it will look like this (4x - 4), you will have to make the x by itself and to do that is dividing it by 4 on both sides, so 4x/4= x while -4/4= -1. The answer is x= -1

3 0
3 years ago
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Consider the parametric equations
MArishka [77]

Answer:(a)x^2+2y^2=2

(b)In the attached diagram

Step-by-step explanation:Step 1: Multiply both equations by t

xt=t(cost -sint)\\ty\sqrt{2} =t(cost +sint)

Step 1:  Multiply both equations by t

xt=t(cost -sint)\\ty\sqrt{2} =t(cost +sint)

Step 2:We square both equations

(xt)^2=t^2(cost -sint)^2\\(ty)^2(\sqrt{2})^2 =t^2(cost +sint)^2

Step 3: Adding the two equations

(xt)^2+(ty)^2(\sqrt{2})^2=t^2(cost -sint)^2+t^2(cost +sint)^2\\t^2(x^2+2y^2)=t^2((cost -sint)^2+(cost +sint)^2)\\x^2+2y^2=(cost -sint)^2+(cost +sint)^2\\(cost -sint)^2+(cost +sint)^2=2\\x^2+2y^2=2 hopes this helps

5 0
3 years ago
Kathy starts with a number. She adds 3 to her number then doubles the result. Finally she subtract 7. If she ended with 9 what n
Ivahew [28]

if she has 9, add 7. you have 16. divide it by half, 8. subtract 3 and you get 5.

8 0
3 years ago
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