Can someone please help me with this i don't know
Answers
it will equal 1 5/16 which is C
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Answers
you have to make 2/5 have a common denominator with 3/10
so 2×2=4 (numerator)
2×5=10 (denominator)
4/10+3/10= 7/10
since you only add the numerator because the denominator makes it a like term
Answers
Hi there!
To solve your answer, since we know a = 7, we can easily solve your equation.
But before we go onto that, I want to show you a tip or two about solving equations with variables next to numbers.
When you have a number, and a variable attached to it, it means to multiply.
Now, to make this equation look a little easier, lets rewrite it.
9 × 7 - 5 × 7 = ___
According to PEMDAS, we won't go straight from left-to-right when solving here. We'll skip around a little.
9 × 7 = 63.
5 × 7 = 35.
Now, since we've multiplied the two numbers, its time to subtract them.
63 - 35 = 28. Sooooo........
9 × 7 - 5 × 7 = 28
Hope this helps!
Message me if you need anything else, I'd be happy to help you out! :D
when a number is attached by a variable, that usually means that it is attached by multiplication so, i multiplied 9 times 7 and got 63 then i multiplied 5 times 7 and got 35 then subtract 63 and 35 and i got 28
i hope this helps :)
A. 1206 cm
B. 2170 cm
C. 3260 cm
D. 6510 cm
Answers
Answer:
A
Step-by-step explanation:
V=(pi)(r^2)(h/3)
This is the formula for volume
V=3.14(12^2)(8/3)
plug this into a calculator and make sure you use parenthesis!
V=1205.76
The answer is A
-5x-3y=16
y=x
Answers
-5x – 3y = 16
-5x – 3(x) = 16
Combine like terms:
-8x = 16
Divide (-8) from both sides of the equation:
x = -2
We have proven that “x” is equal to (-2). Using this knowledge, we can now substitute the known value of “x” into the second equation:
y = x
y = (-2)
We have now proven the values of both X and Y:
x = -2
y = -2
I hope this helps!
Answers
Answer:
x = 6 possibly
Step-by-step explanation:
I am just an algebra student, but if I am correct I would appreciate a crown.
16/4 is 4, so i assumed that was the geometric pattern, so i divided 24 by 4 and got 6.
Hoped this helped.
Thank you so much!
I literally have no idea how to do this.
Answers
What is the x-intercept ? It's the point where the graph crosses the x-axis.
But y=0 at every point on the x-axis ! So the x-intercept is the point where
5x + 3(0) = k
5x = k
x = 0.2 k
Similarly ... What is the y-intercept ? It's the point where the graph crosses the
y-axis. But x=0 at every point on the y-axis ! So the y-intercept is the point where
5(0) + 3y = k
3y = k
y = k/3
The sum of the x- and y-intercepts is 32.5 .
0.2k + k/3 = 32.5
Multiply each side by 5 :
k + 5k/3 = 162.5
Multiply each side by 3 :
3k + 5k = 487.5
8k = 487.5
Divide each side by 8 :
k = 60.9375
The x-intercept is (0.2k, 0) = the point (12.1875, 0) .
The y-intercept is (0, k/3) = the point (0, 20.3125) .
Those are the two points. Now it wants you to find the distance between them.
Do you remember how to find the distance between 2 points ?
Find the (difference of their x-values) and square it.
Find the (difference of their y-values) and square it.
Add the two squares together.
Take the square root of the sum.
That's the distance between the points.
(12.1875)² + (20.3125)² = the square of the distance.
If you don't get 23.688 for the distance, then check your arithmetic.