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3 years ago

What is the answer 6a+5a-b-5b+2a

Mathematics

2 answers:

notsponge [240]3 years ago

4 0

Answer: 13a-6b

Step-by-step explanation:

vesna_86 [32]3 years ago

3 0

Answer:

13a - 6b

Step-by-step explanation:

6a + 5a - b - 5b + 2a

~Combine like terms

13a - 6b

Best of Luck!

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

Alekssandra [29.7K]

In the given figure we can determine the coordinate of point M from the graph, we get:

$M=(\frac{d}{2},\frac{c}{2})$

We can also determine the coordinates of point N as:

$N=(\frac{a+b}{2},\frac{c}{2})$

Now, to determine the length of segment MN, we need to subtract the x-coordinate of M from the coordinates of N, we get:

$MN=\frac{a+b}{2}-\frac{d}{2}$

Subtracting the fractions we get:

$MN=\frac{a+b-d}{2}$

Now, to obtain the length of AB we need to subtract the x-coordinate of A from the x-coordinate of B.

The coordinates of A are determined from the graph:

$A=(0,0)$

The coordinates of B are:

$B=(a,0)$

Therefore, the length of segment AB is:

$AB=a$

Now we do the same procedure to determine the segment of CD. The coordinates of C are:

$C=(b,c)$

The coordinates of D are:

$D=(d,c)$

Therefore, CD is:

$CD=b-d$

Now, we determine MN as half the sum of the bases. The bases are AB and CD, therefore:

$MN=\frac{1}{2}(a+b-d)$

Therefore, we have proven that the median of a trapezoid equals half the sum of its bases.

8 0

1 year ago

Surface area of the rectangular prism is 52 square inches. What is the volume

stepladder [879]

I don’t know at all lol

7 0

3 years ago

A graphic designer wants to translate rectangle DEFG using T–1, 2(x, y). The pre-image has coordinates D(–1, 3),

anygoal [31]

Answer:

D'(-2, 5), E'(3, 5), F'(3, 3), G'(-2, 3)

Step-by-step explanation:

Adding (-1, 2) to each of the coordinates gives ...

D +(-1, 2) = (-1-1, 3+2) = D'(-2, 5)

E +(-1, 2) = (4-1, 3+2) = E'(3, 5)

F +(-1, 2) = (4-1, 1+2) = F'(3, 3)

G +(-1, 2) = (-1-1, 1+2) = G'(-2, 3)

8 0

3 years ago

Read 2 more answers

Question is in picture need help asap

Andrej [43]

The given expression is:

$\sqrt[4]{ 9^{ \frac{1}{2}x } }$

4th root is equivalent to raising the expression to power $\frac{1}{4}$ . So, re-writing the expression by converting radical to exponent:

$( 9^{ \frac{1}{2}x } )^{ \frac{1}{4} } \\ \\ 
= 9^{ \frac{1}{8}x }$

Therefore, the given expression simplifies to $9^{ \frac{1}{8}x }$

6 0

4 years ago

You wish to test the claim that p > 33 at a level of significance of a = 0.05 and are given sample 19) statistics n = 5O x =

densk [106]

Answer:

test statistic is 0.176

Step-by-step explanation:

Given Data

p>33

a=0.05

n=50

x=33.3

d(population deviation)=12

Test statistics=?

Solution

Test statistic z=(p-x)\(d/sqrt(50))

z=(33.3-30)\(12\sqrt(50))

z=0.176

5 0

3 years ago