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KIM [24]
3 years ago
8

Which of the following lists does not include all the factors of the number?

Mathematics
1 answer:
maxonik [38]3 years ago
5 0

Answer:

21 is the answer my guy

Step-by-step explanation:

7 times 3 is 21

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3/4 of x if x= 15/28<br> PLS HELP!!!!!!!
vfiekz [6]

Answer:

5/7

Step-by-step explanation:

first of mean to divide

so it really saying x ÷ 3/4 and x = 15/28

15/28 ÷ 3/4 but you cant divide fractions

so we use copy dote flip

copy 15/28

dote ×

flip 4/3

15/28 × 4/3

then cross simplafiy so 4 can go into 28, 7 rimes. and 3 can go into 15, 5 times

5/7

6 0
3 years ago
Read 2 more answers
How do I delete this question? I did not mean to ask it.
Brilliant_brown [7]

Answer:

press delete

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which polynomial has factors of 4x-7 and x+4​
zzz [600]

Answer:

f(x)  = 4x² + 9x - 28

Step-by-step explanation:

Create the polynomial by multiplying (4x - 7) and (x + 4) together:

f(x) = 4x² + 16x - 7x - 28, or

f(x)  = 4x² + 9x - 28

Next time, please share the given answer choices.  Thanks.

4 0
3 years ago
Someone help me find this answer
Vanyuwa [196]
Finding the perimetre: 7x+4x-3+x=12x-3

Good luck!
5 0
2 years ago
16. Let W be the set of all vectors in R3 of the form a+2b b -3a Find a basis for Wand state the dimension of W.
Yuki888 [10]

Answer:

W=\{\left[\begin{array}{ccc}a+2b\\b\\-3a\end{array}\right]: a,b\in\mathbb{R} \}

Observe that if the vector x=\left[\begin{array}{ccc}x\\y\\z\end{array}\right] is in W then it satisfies:

\left[\begin{array}{ccc}x\\y\\z\end{array}\right]=\left[\begin{array}{c}a+2b\\b\\-3a\end{array}\right]=a\left[\begin{array}{c}1\\0\\-3\end{array}\right]+b\left[\begin{array}{c}2\\1\\0\end{array}\right]

This means that each vector in W can be expressed as a linear combination of the vectors \left[\begin{array}{c}1\\0\\-3\end{array}\right], \left[\begin{array}{c}2\\1\\0\end{array}\right]

Also we can see that those vectors are linear independent. Then the set

\{\left[\begin{array}{c}1\\0\\-3\end{array}\right], \left[\begin{array}{c}2\\1\\0\end{array}\right]\} is a basis for W and the dimension of W is 2.

7 0
3 years ago
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