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3 years ago

The Venn diagram shows the relationship between several sets of numbers.

Mathematics

1 answer:

svet-max [94.6K]3 years ago

8 0

Answer: C

Step-by-step explanation: i’m doing the test too

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Equivalent Expression

ELEN [110]

Answer:

B. 6x - 12y + 10x

Step-by-step explanation:

A: expression equals 10x - 12y, doesn't equal step 2

B: expression equals 16x - 12y, is the same as step 2

C: expression equals 16x - 30y, doesn't equal step 2

D: expression equals 25x - 30y, doesn't equal step 2

3 0

4 years ago

Cara deposited $200 dollars into her savings account bringing her balance up to $450. Which equation can be used to find, x, the

OverLord2011 [107]

Answer:

A. x + 200 = 450

Step-by-step explanation:

Since clara deposited $200 into her savings account and it brought her account up to $450, to find the answer you would add "x" with 200 and you should get 450 which means x= 250. we can check our answer by solving : 450-200 and you should get 250 for your answer so the answer is

A x + 200 = 450

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3 years ago

Mark skated 15 meters in 5 seconds. What was his average speed PLEASE INCLUDE STEPS

iren2701 [21]

Step1) divide 15 by 5 and you will get 3.
Step2) to check your answer you will have to times 3 by 5 and you will get 15.
Answer: Mark was going a speed of 3 meters per second.

4 0

3 years ago

N=4; 2i and 3i are zeros f(-1)=50

Nonamiya [84]

Solution:- $\text{Let f(x) be any nth degree polynomial with n=4}\\$

$\text{Given that 2i and 3i are the zeroes of f(x)}$

$\text{so (x-2i) and (x-3i) are factors of f(x)}$

$\text{Since 2i is a zero of f(x) then its conjugate -2i is also a zero of f(x)}$

$\Rightarrow(x+2i) \text{is a factor}\\\text{Similarly, conjugate of 3i is -3i is also a zero of f(x) }\\\Rightarrow(x+3i)\text{is a factor}\\\text{So , }\\f(x)=k(x-2i)(x+2i)(x-3i)(x+3i)\\=k(x^2-(2i)^2)(x^2-(3i)^2)\\=k(x^2-4i^2)(x^2-9i^2)\\=k(x^2+4)(x^2+9)\\=k(x^4+13x^2+36)\\\text{As given}\\f(-1)=50\\\Rightarrow k((-1)^4+13(-1)^2+36)=50\\\Rightarrow k(1+13+36)=50\\\Rightarrow k(50)=50\\\Rightarrow k=1\\\text{So by substituting k=1 in f(x) we get ,}\\f(x)=(x^4+13x^2+36)$

6 0

4 years ago

–12 – (–7) A. 5 B. -19 C. -5 D. 19

Harlamova29_29 [7]

Simplify:
-12 - (-7)
-5

8 0

3 years ago

Read 2 more answers