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N76 [4]
2 years ago
14

Please help me guys please

Mathematics
1 answer:
hram777 [196]2 years ago
6 0

c. the number of persons allegric to penicillin

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Harper knows he is 50 yards from school. The map on his phone shows that the school is 2/3 inch from his current location. How f
lorasvet [3.4K]

Actual distance of the Harper from the school = 50 yards.

According to map the distance from the school = 34 inch.

We could say 34 inches represents 50 yards.

So, 1 inches could be represented by 50/34 = 25/17 yards.

In order to find the actual length of 3 inches in yards, we need to multiply 1 inches value of yards by 3.

Therefore, 3 inches = 3* 25/17 = 75/17 = 4 7/17 yeards in decimals 4.412 yards approximately.

Therefore,  Harper from home is  4 7/17 yeards or 4.412 yards approximately if the map shows the distance as 3 inches.

6 0
2 years ago
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Look at the following numbers:<br> -4, -1,0,4<br> Which pair of numbers has a sum of 0?
solmaris [256]

Answer:

-4 + 4

Step-by-step explanation:

because when you add a negative number with a positive number the sum will always equal 0

I am joyus to assist :)

7 0
3 years ago
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Select the two values of x that are roots of this equation.<br>x + 2x - 6 = 0​
VLD [36.1K]

For this case we must solve the following quadratic equation:

x ^ 2 + 2x-6 = 0

Where:

a = 1\\b = 2\\c = -6

The solution is given by:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

Substituting:

x = \frac {-2 \pm \sqrt {2 ^ 2-4 (1) (- 6)}} {2 (1)}\\x = \frac {-2 \pm \sqrt {4 + 24}} {2}\\x = \frac {-2 \pm \sqrt {28}} {2}\\x = \frac {-2 \pm \sqrt {2 ^ 2 * 7}} {2}\\x = \frac {-2 \pm2 \sqrt {7}} {2}\\x = -1 \pm \sqrt {7}

Thus, we have two roots:

x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}

ANswer:

x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}

8 0
3 years ago
The ground temperature at Brigham Airport is 17 °C. The temperature decreases by 4.9 °C for every increase of 1 kilometer above
SSSSS [86.1K]

Answer:

should be -7.5

Step-by-step explanation:

4.9×5=24.5

17-24.5=-7.5

8 0
3 years ago
Write the solution of the inequality in set builder notation: 2(3p-11)&gt;=-16
Dima020 [189]
The answer would be 
p≥1

hope this helps :3
8 0
3 years ago
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