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svet-max [94.6K]
3 years ago
12

4(3d-2x)-(2d-5x) Maths help plz.....

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0

Answer:

10d - 3x

Step-by-step explanation:

Distribute the 4: 12d - 8x

Distribute the -1: -2d + 5x

Add like terms: 10d - 3x

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Consider the following sequence: -5, -1, 3,...
Alika [10]

Answer:

a. it is arithmentic - this is because for each term there is a constant increase of 4, and the change between each term <u>doesn't change</u>

b. you need to find the nth term, by using the equation difference x n + 0th term: the difference is (+)4 and the 0th term is -9 (-5 is the 1st term, so to go one back we subtract 4 - the inverse operation), so the nth term is 4n -9. Now we do the inverse operation on 119 to see if it's a term (it is a term if it's an integer. So, first we do 119 <u>plus</u> 9 (inverse of - 9) to get 128, then divide it by 4 rather than multiplying. This gives us 32, and that tells us that 119 is the 32nd term of the sequence.

4 0
3 years ago
assume that 2000 births are randomly selected and 64 of the births are girls. use subjective judgment to describe the number of
tatuchka [14]

Total no. of births = 2000

Births of girls = 64

Birth% of girls

=  \frac{64}{2000}  \times 100

=  \frac{64}{20}

=  \frac{6.4}{2}

= 3.2\%

Hence, the number of girls are significantly low.

4 0
3 years ago
Find an equation for the line with the given properties. Express your answer using the general form or the slope-intercept form
Damm [24]

Answer:

y=-3x+4

Step-by-step explanation:

To get the equation in the slope-intercept form first, put the equation in slope-point form using the information given. The slope-point form is y-(-2)=-3(x-2). Then solve for y.

Distribute -3 to (x-2),

y-(-2)=-3x+6

Then, add -2 to both sides,

y=-3x+4

This is your final answer; the slope is -3 and the y-intercept is 4. There are also a few other ways to solve but I find this the easiest.

3 0
3 years ago
Find the prime factorization for the number m (if possible) that makes each of the following true. If no number is possible, exp
SSSSS [86.1K]

Answer:

Is not possible to find a prime factorization for m.

Step-by-step explanation:

if

2^3 . 19^5 . 23^4 = 2^3 . 19^5 . 46 . m

then

m=\frac{2^3. 19^5 . 23^4}{2^3 . 19^5 . 46 }=\frac{2^3. 19^5 . 23^4}{2^3 . 19^5 . 2.23 }=\frac{23^3}{2}

So m is not an integer, hence it cannot be decomposed in prime factors.

3 0
3 years ago
H(x) = –x2 + 1; Find h(–6)
babunello [35]

Answer:

h(-6)= -(-6)2+1= 12+1= 13.

5 0
3 years ago
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