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IRINA_888 [86]
4 years ago
8

Are the numbers 4/7 and 10/17.5 a proportion? Same question for the following....

Mathematics
2 answers:
zhenek [66]4 years ago
8 0
Proportional:

4/7 and 10/17.5
2/3 and 9/12
18/8 and 9/4


NOT proportional:

3/8 and 6/141
7/5 and 27/50
Serjik [45]4 years ago
6 0

Answer:

previous answer is right -

Step-by-step explanation:

2/3 and 9/12 is not proportional

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I need help plz plz hlep
Rudik [331]

it looks like its constant but I could be wrong

8 0
3 years ago
Each week as part of her workout, Monica walks 0.5 mile, runs 1.6 miles, and then walks 0.75 mile.
Charra [1.4K]

Answer:

She will walk and run 148.2 miles in a year

Step-by-step explanation:

She walks: 0.75+0.5=1.25 miles each week

And: 1.25 *52=65 miles a year

She runs : 1.6 miles a week

And: 1.6*52 =83.2 miles a year

Total miles : 83.2+65=148.2 miles

6 0
3 years ago
In circle p, td¯¯¯¯¯ and tb¯¯¯¯¯ intersect at t. ta=10, tc=8, cd=12, and ab=x+2. find ab. circle p. answer
inysia [295]
The answer is AB = 6.

External value x (external value + internal value) = 
External value x (external value + internal value) of the other side

Substitute, transpose, and simplify.

TA x (TA + AB) = TC x (TC + CD)
10 x (10 + (x + 2)) = 8 x (8 + 12)
120 + 10x = 160
10x = 40
x = 4

To find AB: x + 12; x = 4
AB = x + 2
AB = 4 + 2
AB = 6

3 0
3 years ago
Find (9.3 × 106) + (1.8 × 104)
inysia [295]

Answer:

1,173

Step-by-step explanation:

9.3x106=985.8

1.8x104=187.2

985.8+187.2=1,173

<h2><em><u>Could I please have BRAINLIEST?</u></em></h2>
6 0
3 years ago
Read 2 more answers
4.0 x 10<br> 3<br> kJ/mol<br> How many significant digits are there
salantis [7]

Answer:

2

Step-by-step explanation:

4.0 has 2 significant digits.

The zeros after a non zero number are significant.

Any non zero number is significant.

0.004 has 1 significant digit.

4000 has 4 significant digits.

In your case 4.0 × 10^3 there is an exception because it is in scientific notation. So there are 2 significant digits.

hope this makes sense.

:)

5 0
3 years ago
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