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wlad13 [49]
2 years ago
13

5^b/5^a=5^7. what is the value of a and b

Mathematics
2 answers:
Molodets [167]2 years ago
8 0
I dunno I’m not smart
son4ous [18]2 years ago
4 0

Step-by-step explanation:

there you gojsjdjskksk

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Write 435,000 in scientific notation
kondaur [170]

Answer: 4.35 × 10⁵

435,000 = 4.35 × 10⁵

Plz mark brainleist:)

6 0
3 years ago
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What is the slope of the equation y=5/4x-7/4?
Pani-rosa [81]

Answer:

\Large \boxed{\frac{5}{4} }

Step-by-step explanation:

The slope - intercept form of a line is written in the form :

\sf y = mx+b \\ \\ \\ m=slope \\ \\ b=y-intercept

The slope of the line is 5/4.

7 0
3 years ago
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Mr. Rr the Rreliable Rrobot has been programmed to whistle every $18$ seconds and do a jumping jack every $42$ seconds, starting
sveta [45]

Answer:

7 times during the first 15 minutes

Step-by-step explanation:

Remember that

1\ min=60\ sec

so

15\ min=15(60)=900\ sec

Decompose the numbers 18 and 42 in prime factors

we know that

18=(2)(3^2)

42=(2)(3)(7)

Find the least common multiple (LCM)

The LCM is

(2)(3^2)(7)=126\ sec

we need to find all multiples of 126 that are less than or equal 900.

126*1=126\ sec\\126*2=252\ sec\\126*3=378\ sec\\126*4=504\ sec\\126*5=630\ sec\\126*6=756\ sec\\126*7=882\ sec

therefore

7 times during the first 15 minutes

7 0
2 years ago
At which point do the two equations
Lena [83]

The lines intersect at two places.

They intersect at approximately (-2,8) and (2,3)

Looking at the choices they would be at (1.8,3.2) and (-2.8,7.8)

The answer is D. Both A and B.

4 0
2 years ago
What is the equation of a line that is parallel to -2x+3y=-6 and passes through the point (-2,0)
mr_godi [17]
First, a line that is parallel, means a line that has the same slope as the original. To find the slope of the original equation, we have to solve for y.
-2x+3y=-6
3y=2x-6
y=2/3x-2
From this equation, we can see that the slope of the line is 2/3. For every 2 units you go up, you move three units over.

Now we need to use the point (-2,0) to find the equation of the parallel line. 
y-y=m(x-x)

Plug in the point coordinates and the slope, and solve for the final equation of the line.
y-0=2/3(x+2)
y=2/3x+ 4/3
4 0
2 years ago
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