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andreev551 [17]
3 years ago
5

Solve for y: -5y + 6 = 16 A. -14/5 B. -2 C. 14/6 D. 2

Mathematics
1 answer:
trapecia [35]3 years ago
8 0

Answer:

b

Step-by-step explanation:

i think it is b the answer is b

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If the probability of a machine producing a defective part is 0.05, what is the probability of
Musya8 [376]

Answer:

0.1800 to 4 places of decimals.

Step-by-step explanation:

Using the Binomial formula

Probability = 10C5* (0.95)^95 * (0.05)^5

= 100! / 95!*5! *  (0.95)^95 * (0.05)^5

= 0.1800178.

6 0
3 years ago
Express ✓ – 75 in its simplest form.
timofeeve [1]

Step-by-step explanation:

The correct answer is 5i\sqrt{3}

3 0
3 years ago
If ∆ABC is an isosceles triangle and ∆DBE is an equilateral triangle, find each missing measure.​
sleet_krkn [62]

Answer:

∠1=∠9=43°,  ∠2=∠7= 17°,  ∠4=∠5=∠6=60°, ∠3=∠8=120°

Step-by-step explanation:

Given ABC is an isosceles triangle and DBE is an equilateral triangle. we have to find each missing measure.

In triangle ABC,

∠1=∠9    (∵isosceles triangle)

⇒ 4x+3=9x-47

⇒ 9x-4x=3+47 ⇒ 5x=50 ⇒ x=10

Hence, ∠9=∠1=(4x+3)°=4(10)+3=43°

Also, given ΔBDE is an equilateral triangle, and all angle of equilateral triangle are equal.

∴ ∠4+∠5+∠6=180°

⇒ ∠4+∠4+∠4=180° ⇒ 3∠4 = 180° ⇒ ∠4 = 60°

∴ ∠4=∠5=∠6=60°

By exterior angle property, ∠3=∠5+∠6=60°+60°=120°

                                            ∠8=∠5+∠4=60°+60°=120°

In ΔABD, ∠1+∠2+∠3=180°

            ⇒ 43°+120°+∠2=180°⇒ ∠2 = 17°

In ΔABD, ∠9+∠8+∠7=180°

            ⇒ 43°+120°+∠7=180°⇒ ∠7= 17°

Step-by-step explanation:

4 0
3 years ago
Which set of side lengths form a right triangle? A. 2 inches, 3 inches, 4 inches B. 6 inches, 8 inches, 10 inches C. 8 inches, 9
Vanyuwa [196]

Answer:

D 10 inches

Step-by-step explanation:

3 0
3 years ago
James and Aaron run cross country. James has already run 6 miles this month and plans to run 3 miles each day over the next seve
ahrayia [7]

Answer:

Step-by-step explanation:

Step one:

for James

the initial mile covered= 6miles

the planned number of miles per day= 3miles

let the number of days be x

and the total distance in miles be y

the total distance for the x days day will be

y=6+3x------------1

step two:

for Aaron

the planned number of miles per day= 4miles

let the number of days be x

and the total distance in miles be y

the total distance for the x days day will be

y=4x------------2

The system of equations is

y=6+3x--2

y=4x----2

Step three:

for the number of days that Aaron needs to run to meet up with James, we need to equate the two equations to find x which is the solution

6+3x=4x

6=4x-3x

x=6days

This means that Aaron will have to run at 4mile per day consistently for 6 days to meet up with James

5 0
3 years ago
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