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Paraphin [41]
3 years ago
8

A garden table and a bench cost $770 combined. The garden $ 80 table costs less than the bench. What is the cost of the bench?

Mathematics
1 answer:
aleksklad [387]3 years ago
7 0

The answer is 690 if you subtract the two numbers you will find the cost of the bench.

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4x^2+4x+1=9 what are all the solutions? Thanks
ziro4ka [17]
4x^2+4x-8=0
X^2+x-2=0
(X+2)(x-1)=0
X= -2 or 1
8 0
3 years ago
A shopper wants to ensure he has enough cash to purchase a $59 coffee table, so he asks a clerk what the total will be with the
Troyanec [42]

Answer:


Step-by-step explanation:

First you have to subtract 59$ from 61.36 which will give you 2.36.Then you have to multiply 0.02 to 59 which equals 1.18.Then you multiply 0.04 by 59 which will give you the answer.Hope this helps!!!Your answer should be 0.04!!!Please Mark brainliest!!!!!

5 0
3 years ago
There are 6 groups of kids with 3 boys and 2 girls in each of the groups. Which expression represents this situation? ​
kakasveta [241]

Answer:

maximum =6

amt boys = 3

amt girls =2

therefore expression =3+2=6

6 0
2 years ago
Use the null hypothesis H0 : μ = 98.6, alternative hypothesis Ha: μ < 98.6, and level of significance α = 0.05. 98 99.6 97.8
andrezito [222]

Answer:

The t-score is -1.8432    

Step-by-step explanation:

We are given the following in the question:  

98, 99.6, 97.8, 97.6, 98.7, 98.4, 98.9, 97.1, 99.2, 97.4, 99.1, 96.9, 98.8, 99.9, 96.8, 97, 98.7, 97.6, 98.7, 98.2

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{1964.4}{20} = 98.22

Sum of squares of differences = 16.152

s = \sqrt{\dfrac{16.152}{49}} = 0.922

Population mean, μ = 98.6

Sample mean, \bar{x} = 98.22

Sample size, n = 20

Sample standard deviation, s = 0.922

First, we design the null and the alternate hypothesis

H_{0}: \mu = 98.6\\H_A: \mu < 98.6

Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

t_{stat} = \displaystyle\frac{98.22 - 98.6}{\frac{0.922}{\sqrt{20}} } = -1.8432

The t-score is -1.8432    

7 0
3 years ago
Max ran 100 feet in and Molly ran 60 feet in 5 seconds. who ran farther
harkovskaia [24]

Answer:

Is Max ran that far in 5 seconds (I’m assuming that because you didn’t Say) then he would of ran farther.

Step-by-step explanation:

Hope this hlps

7 0
3 years ago
Read 2 more answers
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