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Zinaida [17]
3 years ago
10

HELP! ASAP!

Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer:

Step-by-step explanation:

Scale= length on drawing / actual length

Let the actual length b x

3:10=2/5/x

3/10=2/5x

Cross multiply

15x=20

x=4/3

The actual length is 4/3

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2y+2=4x-6 in slope intercept form
Vesnalui [34]

Answer:

Slope intercept form is y = 2x-4

Step-by-step explanation:

Given equation: 2y + 2 = 4x - 6

The general form of slope intercept form is y = mx+c

2y + 2 = 4x - 6

2y = 4x - 6 -2

2y = 4x -8

dividing throughout by 2

y = 2x -4

Hence the slope intercept form is y = 2x -4

8 0
3 years ago
The Leukemia and Lymphoma Society sponsors a 5K race to raise money. It receives $55 per race entry and $10,000 in donations, bu
tester [92]
<span>x = number of entries 55x + 10000 - 15x ≥ 55000 First, subtract 10000 from each side 55x - 15x ≥ 45000 Now, we can combine 55x and 15x because they've both got the same variable attached 40x ≥ 45000 Now divide each side by 40 to isolate x (which is the number of entries) x ≥ 1125 The race needs at least 1125 entries to raise at least $55,000.</span>
5 0
3 years ago
13. kara walks five days each week. this week she walked 7/8 mile on monday, 3/5 mile on tuesday, 4/10 on
BigorU [14]

The total distance, in miles, that kara walked at the park this week is 57/20.

<h3>What is the unitary method?</h3>

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Given that kara walks five days each week. this week she walked 7/8 mile on monday, 3/5 mile on tuesday, 4/10 on wednesday, 1/10 mile on thursday, and 9/10 mile on friday.

Now, in order to find the total distance, in miles, that kara walked at the park this week.

kara walked on Monday = 7/8

kara walked on Tuesday = 3/5

kara walked on wednesday = 4/10

kara walked on thursday=1/10

kara walked on friday= 9/10

Now, to get the total distance in miles by adding both the miles she walked this week:

7/8 + 3/5 +4/10 + 1/10 + 9/10

35/40 + 24 / 40 + 14/10

59/40 + 14/10

114/40

57/20

Therefore, the total distance, in miles, that kara walked at the park this week is 57/20.

Learn more about the unitary method;

brainly.com/question/23423168

#SPJ4

8 0
2 years ago
Can you help me with this, please? ​
Taya2010 [7]

Answer:

15 ^{4} is \: correct \: option \:

3 0
3 years ago
Read 2 more answers
I really need help find x in this triangle
arsen [322]

Answer:

x = 5

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

72 + 6x + 2 + 17x - 9 = 180

23x + 65 = 180 ( subtract 65 from both sides )

23x = 115 ( divide both sides by 23 )

x = 5

5 0
3 years ago
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