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butalik [34]
3 years ago
10

How do you do this??? 5x+9y+3x-2y this is a algebraic exercise plz help!!!

Mathematics
1 answer:
densk [106]3 years ago
6 0
Combine like terms.

4. 5x+9y+3x-2y
8x+7y

7. 22u-6u+4t+4t-8u
8u+8t

10. 23m+4n-3m
20m+4n
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The function f(x) varies directly with x, and f(x)=12 when x=8
lozanna [386]
The answer would be d.

You can solve this by changing it up a little, such as changing it to f • x = 12
you can then divide by 8, because x = 8.
You're then left with f = 12/8 or 3/2
multiply by x again on both sides, and voila, f(x)=3/2x
6 0
4 years ago
Help help help me<br> please
Anna35 [415]
When the base is the same, and it is a ÷, subtract the exponents (if it is a ×, add the exponents):
-11/3-(-2/3)=-9/3=-3
4^(-3)=1/4³=1/64
the first choice is correct. 
4 0
3 years ago
Read 2 more answers
Reduce then multiply. <br><br> 7/9 x 3/4 = ?<br><br> Example :
ziro4ka [17]

First, we are going to want to see if there are any terms we can simplify. By examining the numerators and denominators of our functions, we can see that we can remove a 3 from the denominator of the second function and the numerator of the first function. This would be represented as:

\dfrac{7}{9} \cdot \dfrac{3}{4} = \dfrac{7}{3} \cdot \dfrac{1}{4}


Now, we can multiply the fractions. Remember that to multiply fractions, simply multiply both the numerators over both the denominators, as shown below:

\dfrac{a}{b} \cdot \dfrac{c}{d} = \dfrac{ac}{bd}


By applying this information, we can solve for the product of the fractions:

\dfrac{7}{3} \cdot \dfrac{1}{4} = \dfrac{7}{12}


Our answer is \boxed{\frac{7}{12}}.

8 0
3 years ago
How do you write 1.005 as a mixed fraction
bezimeni [28]
1 1/<span>200 should be the answer</span>
8 0
3 years ago
Read 2 more answers
HELP PLS ASAP WILL MARK BRAINLIEST
Salsk061 [2.6K]

Answer:

B. 4

Step-by-step explanation:

Since d=√[7-3]2+[8-8]2

5 0
4 years ago
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