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Molodets [167]
2 years ago
14

Please show working out, thanks!

Mathematics
1 answer:
sveticcg [70]2 years ago
4 0
3^2x = 2^3y = x/y = x/y
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Simplify 5 – 2y + (-8y) + 5.5.
zavuch27 [327]

Answer:

-10y + 10.5

Step-by-step explanation:

5 - 2y + (-8y) + 5.5

5 - 2y - 8y +5.5

-10y + 10.5

3 0
2 years ago
Read 2 more answers
Find the area of the right triangle. If necessary, round to the nearest tenth
Ad libitum [116K]

Answer:

B. 150 yards

Step-by-step explanation:

Area of a Triangle = .5 * Base * height

So we need the height of the triangle, or the missing side.

We have to use Pythagorean Theorem to solve this:

A^2 + B^2 = C^2

15 ^ 2 + B ^ 2 = 25 ^2

b^2 = 25^2 - 15 ^ 2

b^2 = 625 - 225

b^2 = 400

sqrt (400) = 20

The missing height is 20. Now we plug it into 1/2 * b * H

.5 * 15 * 20

7.5 * 20 = 150

150 Yds

6 0
3 years ago
34(5f−3)=38 How do i find the value of f?
Oduvanchick [21]

f=14/17 or 0.82352941

8 0
3 years ago
Read 2 more answers
PLS HELP ASAP:Find all the missing elements:
adelina 88 [10]

Answer:

b ≈ 9.5, c ≈ 14.7

Step-by-step explanation:

Using the Sine rule in Δ ABC, that is

\frac{a}{sinA} = \frac{b}{sinB} , substitute values

\frac{7}{sin23} = \frac{b}{sin32} ( cross- multiply )

b × sin23° = 7 × sin32° ( divide both sides by sin23° )

b = \frac{7sin32}{sin23} ≈ 9.5 ( to the nearest tenth )

Also

\frac{a}{sinA} = \frac{c}{sinC}

\frac{7}{sin23} = \frac{c}{sin125} ( cross- multiply )

c × sin23° = 7 × sin125° ( divide both sides by sin23° )

c = \frac{7sin125}{sin23} ≈ 14.7 ( to the nearest tenth )

3 0
3 years ago
A translation maps (x, y) to
Troyanec [42]

Answer:

second quadrant

Step-by-step explanation:

(x, y ) → (x - 5, y + 3 ) means subtract 3 from the original x- coordinate and add 3 to the original y- coordinate.

(- 3, - 2 ) ← in third quadrant

→ (- 3 - 5, - 2 + 3) → (- 8, 1 ) ← in second quadrant

6 0
3 years ago
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