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4 years ago

11

Hardy's plant grows rapidly. It grows by 10cm every 2 years. How much taller will Hardy's plant be in 5 years?

1 answer:

Angelina_Jolie [31]4 years ago

6 0

The answer is 25centimeters. This is the answer because you have to multiply 10cm by 5 years then divide that by 2 since it grows 10 cm every 2 years.

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Three horses, call them a, b, and c, are going to race against each other. the probability that a will win the race is 1⁄5 and t

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3 years ago

Part A- Which could be the total number of solutions to the system of equations?

Sladkaya [172]

A) No solutions

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5 0

3 years ago

Find the sum of the first 7 terms of the series. 6-12+24-48+...

Mkey [24]

Answer: 258

Step-by-step explanation:

Since, the sum of GP is,

$S_{n}=\frac{a(r^n-1)}{r-1}$

where r is the common ratio,

a is the first term,

n is the number of term,

Here, series is, 6, -12, 24, -48, _ _ _ _

Which is a GP ( Because there is common ratio in the given consecutive terms )

So, for the above series, a = 6, r = $\frac{6}{-12}=-2$ and n = 7,

⇒ $S_{7}=\frac{6(-2^7-1)}{-2-1}$

⇒ $S_{7}=\frac{6(-128-1)}{-3}$

⇒ $S_{7}=\frac{6(-129)}{-3}$

⇒ $S_{7}=\frac{774}{3}=258$

Thus, the sum of the 7 terms of the given series is 258.

7 0

3 years ago

Read 2 more answers

Billy is helping to make pizzas for a school function. He's made 25 pizzas so far. His principal asked him to make at least 30 p

malfutka [58]

Answer:

5 ≤ x ≤ 50; Billy needs to make at least 5 more pizzas but no more than 50

Step-by-step explanation:

Let

x -----> the number of pizzas

we have the compound inequality

$30 \leq x+25 \leq 75$

Divide the compound inequality into two inequalities

$x+25 \leq 75$ ----> inequality A

$x \leq 75-25$

$x \leq 50\ pizzas$

The solution of the inequality A is the interval -----> (-∞,50]

$30 \leq x+25$ -----> inequality B

$30-25 \leq x$

$5 \leq x$

Rewrite

$x \geq 5$

The solution of the inequality B is the interval -----> [5,∞)

therefore

The solution of the compound inequality is

(-∞,50] ∩ [5,∞)=[5,50]

so

$5\leq x \leq 50$

Billy needs to make at least 5 more pizzas but no more than 50

8 0

3 years ago

Read 2 more answers

Which equation describes this statement?

Natali [406]

The answer is B because sum means add

5 0

3 years ago

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