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liq [111]
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?

Mathematics
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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6 0
3 years ago
Part A- Which could be the total number of solutions to the system of equations?
Sladkaya [172]
A) No solutions

B) It's because the question gives you that both lines have the same slope. Remember that having the same slope makes the two lines parallel, which means they'll never intersect.
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
Read 2 more answers
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