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LekaFEV [45]
3 years ago
9

sasha earns $8 per hour working at her grandparents house. During july, she worked 39 1/2 hours at the farm, and earned $47 baby

sitting. how many more dollars (d) does sasha need to earn to buy a gadget that cost $399?
Mathematics
1 answer:
liq [111]3 years ago
8 0
Your would multiply 39 1/2 hours by 8 then you would add 47 (answer for that is 363) then you would take 399 and subtract 363 which would be 36
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Please help me do this equation I will really appreciate it
Rashid [163]

Answer:

(-3, 5)

Step-by-step explanation:

parallelograms and relatively even shapes, so how ever far apart the bottom two vertices are apart is how far apart you would space the top ones. simply add the x coordinates absolute values (meaning ignore negative values for now) 6+0=0. 6 Units away from 3( top vertex is (3,7)) would be -3. for the y coordinates you gotta look at y coordinates of the top vertex and bottom right vertex. they're ten units apart. go ten up from -5( because the bottom left vertex is (-6,-5) and you get 5. so overall (-3,5) would be the last vertex

5 0
3 years ago
Read 2 more answers
Pleasse help thank you.
nydimaria [60]
1 is definately B
2 is B as well
3 0
3 years ago
I need answer its due today
kicyunya [14]

Answer: 213 meters.

Step-by-step explanation:

A=2(wl+hl+hw) is the formula. l = 6, w = 3.5, h = 9 for this problem.

2([3.5 x 6]+[9 x 6]+[3.5 x 9])

2(21+54+31.5)

2(106.5)

A=213

Sorry if this isn’t a great explanation. Hope this helps.

7 0
3 years ago
A researcher works on a study that has a population standard deviation of 0.73a sample mean of 84.5 and a sample size of 60 .Wha
Firlakuza [10]

Answer:

ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

The critical value can be founded in the normal standard distribution table using the value of \alpha/2 =0.025 and we got z_{\alpha/2}=1.96. Replacing the info given we got:

ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185

Step-by-step explanation:

For this case we have the following info given:

\sigma = 0.73 represent the population deviation

\bar X = 84.5 represent the sample mean

n =60 represent the sample size

And we want to find the margin of error for a confidence level of 95%. So then the significance level would be \alpha=1-0.95 = 0.05 and \alpha/2 =0.025. The margin of error is given by:

ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

The critical value can be founded in the normal standard distribution table using the value of \alpha/2 =0.025 and we got z_{\alpha/2}=1.96. Replacing the info given we got:

ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185

6 0
4 years ago
at a local store you find the price listed: tape 2 rolls $1.28 notepads 3 pads for .87 cents highlighters 1 for $1.59 pens 2 for
astra-53 [7]
1 roll of tape: 1.28/2=$0.64
2 notepads: .87/3=.29x2=$0.58
2 highlighters: 1.59x2=$3.18
2 pens: $1.98

.64+.58+3.18+1.98=$6.38
6 0
4 years ago
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