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3 years ago

I don’t know how to explain on why the student was incorrect

Mathematics

1 answer:

Zolol [24]3 years ago

7 0

Answer:

the constant proportionality means the ratio between two directly proportional quantities.

so the constant proportionality will be 7.5÷6=1.25 or 10÷8=1.25 or 12.5÷10=1.25

constant proportionality should be same all through because it's a constant

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Bob has 60 coins consisting of quarters and dimes. The coins combined value is $13.35. How many quarters and how many dimes does

ddd [48]

60x0.25=15
60x0.10=6
51x0.25=12.75
13.35-12.75
D-6
Q-51

4 0

3 years ago

Please help ill mark brainliest and add explanation too pleas

andriy [413]

Step-by-step explanation:

In A,

length=3units

width=2 units

area=length×width

area=3×2 sq.units

area=6 sq.units

In B,

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area=length × width

area=1unit × 4units

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3 years ago

Express each fraction in simplest form 15 in : 5 ft ?

ollegr [7]

Answer:

3 in : 1 ft

Step-by-step explanation:

15/5 = 3

5/5 = 1

Therefore, 3:1

3 0

3 years ago

Read 2 more answers

Which of the following statements must be true, given that AABC= AXYZ

Leno4ka [110]

Answer:

B. m ∠Z = 32°

Step-by-step explanation:

Given:

Δ ABC ≅ Δ XYZ

m ∠ C = 32°

When 2 triangles are congruent we can say that all side of 1 triangle are equal to corresponding sides of other triangle.

Side AB= Side XY And Side BC = Side YZ and side AC = side XZ

Also,

When 2 triangles are congruent we can say measure of all angles of 1 triangle are equal to measures corresponding angles of other triangle.

m ∠A = m ∠X and m ∠B = m∠Y and m ∠C = m ∠Z

m ∠ C = 32° hence m ∠ Z = 32°

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3 years ago

What is 2+2-4 x 40-60 and the answer is...........????

Ira Lisetskai [31]

Answer:

-216

Step-by-step explanation:

use the rule bodmas

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7 0

2 years ago