a picture has dimensions of 5cm by 10 cm. if you want to enlarge the picture to a size of 31 1/2 cm by 65 by what fraction would you multiply the dimensions?
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5/10 , 31.5/65Just divide the larger dimensions by the original one:31.5/5= 6.3And...65/10=6.5Therefore your fraction is 6.3/6.5
On a scale drawing with a scale of 1 cm = 0.9 m, the height of a tree is 1.2 cm. How tall is the actual tree in meters?
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1cm=.9m we can multiply this by 1.2 because it will help when solving the equation 1.2cm=1.08m this is your answer!
Give an example of a real-world situation that could be represented by an algebraic expression
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Gas is $2.53⁹ per gallon today, at that filling station down the street from my house. I have $10 in my pocket.
a). How much gas can I put in the car if I go there ?
b). My car gets 25 miles per gallon. How many 'miles' will my $10 buy ?
c). In Calgary (Alberta, Canada) today, gas is selling for 89¢ (Canadian) per liter. What is the percentage more or less, compared to the price of gas down the street from my house ?
If I posted this problem on Brainly, I'd probably give it something like 5 points for part-a, another 5 for part-b, and 10 or 15 for part-c because in addition to math, that part takes some research.
leo takes 30 minutes to eat dinner 15 minutes to change clothes and 20 minutes to walk to practice.if leo needs to be at hockey practice at 7:15 pm what time does he need to begin
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Hi there, first let's add up the minutes, 30 minutes+15 minutes+20 minutes equals 65 minutes, 65 minutes equals 1 hour and 5 minutes. 7:15 pm, an hour before that is 6:15, 5 minutes before that is 6:10. Therefore, Leo needs to begin at 6:10 pm
6:10 pm if you want to be exact
Lisa wants to frame her little brothers drawing as a gift to her mother's a rectangular drawing is 43.5 centimeters by 934 millimeters how many centimeters of wood framing will she need
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your answer is $20.00 thanks for asking
4062.9 centimeters of wood will be needed i believe. hope this helps.
Please help with these math questions
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1. Slope intercept form is y=mx+b, where m is slope and b is y-intercept. It gave you point (8,12) and slope of -2. So you already know the value of m, so so far it's y = -2x + b. Plug the coordinates as x and y: 8 for x and 12 for y. 12 = -2(8) + b 12 = -16 + b 28 = b
Adding b in, you get y = -2x + 28
2. Find the slope, then use point-slope form. Slope is change in y over change in x, or (y2-y1)/(x2-x1). m = (9-1)/(2-3) = 8/(-1) = -8
Point slope form: y - y1 = m(x - x1) y - y1 = -8(x - x1) Now plug in either of the coordinates as x1 and y1, let's do (3,1). y - 1 = -8(x - 3) y - 1 = -8x + 24 y = -8x + 25
3. Do it the same way as number 2. Choose two points, for example (1,1) and (2,-2). You find m = -3 and get final answer as y=-3x + 4.
4. B = 150 + 80d B is account balance, d is number of monthly deposits. If you rearrange the terms: B = 80d + 150, you see that that is in slope-intercept form y = mx+b, and if you remember from #1 m is the slope. In this case, the variables are changed, so d is the slope here. And the question told you that d, the slope, is the number of monthly deposits. Its coefficient is 80, so Bianca deposits $80/month.
5. 14a + 16b = 560 16b = 560 - 14a b = (560 - 14a)/16 b = 560/16 - 14a/16 b = 35 - (7/8)a b = -(7/8)a + 35