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hichkok12 [17]
3 years ago
14

in 10 minutes a heart beats 700 time how many minutes will a heart beat 140 times? At what rate can a heart beat?​

Mathematics
1 answer:
posledela3 years ago
5 0

Answer:

A heart will beat 140 times in 2 minutes

Step-by-step explanation:

700 ÷ 10 = 70

140 ÷ 70 = 2

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Given h(x) = 2x – 3, find h(5)
kobusy [5.1K]

Answer:

h(5) = 7

Step-by-step explanation:

Step 1: Define

h(x) = 2x - 3

h(5) is x = 5

Step 2: Substitute and Evaluate

h(5) = 2(5) - 3

h(5) = 10 - 3

h(5) = 7

3 0
3 years ago
If m<13=m<15=m<7, what conclusions can you make about lines a, b, c, and d?
Strike441 [17]

Answer:

option D

Lines a and b are parallel and lines c and d are parallel.

Step-by-step explanation:

Given in the question four lines a , b, c, d.

<h3>Prove one</h3>

If two parallel lines (a,b) are cut by a transversal(d), then corresponding angles m<7 and m<15 are congruent.

They are know as corresponding angles.

Hence lines a and b are parallel.

<h3>Prove two</h3>

If two parallel lines (c,d) are cut by a transversal(d), then corresponding angles m<13 and m<15 are congruent.

They are know as corresponding angles

Hence lines c and d are parallel

5 0
3 years ago
a friend uses the distributive property to simplify 4(2b-5) and gets 8b - 5 as the result. describe and correct the error.
oksian1 [2.3K]

well it would be 8b - 20 because you have to multuply by 4 on 5 too not just 2b

3 0
3 years ago
Solve for x. 3⁻ˣ = 3⁽⁶ˣ⁻⁹⁾
NNADVOKAT [17]

Step-by-step explanation:

here as base are same

-x= 6x-9

=> -7x= -9

=> x = 9/7

6 0
2 years ago
Read 2 more answers
Eddie treated his sister to lunch while visiting her in Manchester, Their lunch cost $20, and the
adelina 88 [10]

Answer:

Eddie spent $26 total

Step-by-step explanation:

15% of 20 is 3

He paid 15% tax which is $3

He also tipped 15% of the $20 which he paid for lunch so another $3

3+3+20= $26

8 0
3 years ago
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