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shepuryov [24]
3 years ago
5

Graph the line with slope -2.5 and y intercept -3

Mathematics
1 answer:
KengaRu [80]3 years ago
3 0

Answer: Posted in the picture

Step-by-step explanation: -2/5 is to the left since it is the x axis

and -3 is down since it is the y axis, so the answer is the black dot, on the left of the -3.

Hope this helps

And I hope I am right

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. A dinner plate has a circumference of 119.32 cm. What is the area of the dinner plate? (Use 3.14 for .)
zavuch27 [327]
119.32 divide by 3.14 and then 2 equal 20cm is the radius
3.14 multiply by 20 square equal 1256 cm



3 0
2 years ago
How many milliliters of 0.30%. sugar solution must you add to 75 mL of 4% sugar solution to get a 0.50% sugar solution? show you
LekaFEV [45]
<span>We have 75 mL of 4% sugar solution.
We have to add a 30% sugar </span><span>solution to make a 50% </span><span>sugar solution.
75 * .04 + .30x = .50 * (75 +x)
3 + .30x = 37.5 +.50x
I can't get the equation to solve.
Did you type it correctly? For one thing, you have the percentages typed as .30 % and 4%.  Are the decimal places in the correct positions?

Also, no matter how much 30% sugar solution you add, it will NEVER increase to 50%.


</span>
6 0
3 years ago
Test the hypothesis using the​ P-value approach. Be sure to verify the requirements of the test. Upper H 0​: pequals0.6 versus U
kow [346]

Answer:

Step-by-step explanation:

From the given information:

The null and the alternative hypothesis can be well written as:

H_o:P=0.6

H_1:P>0.6

Given that:

n = 200

x = 135

Alpha ∝ = 0.05 level of significance

Then;

⇒ n \times p\times (1-P)

= 200 × 0.6 × (1 -0.6)

= 200 × 0.6 × 0.4

= 48 ≥ 10

The sample proportion \hat P = \dfrac{x}{n}

= \dfrac{135}{200}

= 0.675

The test statistics Z = \dfrac{\hat P - P}{\sqrt{ \dfrac{P(1-P)}{n} }}

Z = \dfrac{0.675 - 0.6}{\sqrt{ \dfrac{0.6 \times 0.4}{200} }}

Z = \dfrac{0.075}{\sqrt{ \dfrac{0.24}{200} }}

Z = 2.165

The P-value = P(Z > 2.165)

= 1 - P(Z < 2.165)

From the z tables

= 1 - 0.9848

= 0.0152

Reject the null hypothesis since P-Value is lesser than alpha. ( i.e. 0.0152 < 0.05).

Thus, there is enough evidence to conclude that the value of the population proportion is greater than 0.6

7 0
3 years ago
(2x+2y)+(3y-5x) EIHOIVHNVIHVIOE
Nina [5.8K]

\huge\textsf{Hey there!}

\large\text{(2x + 2y) + (3y - 5x)}

\rightarrow\large\text{2x + 2y + 3y - 5x }

\large\textsf{COMBINE the LIKE TERMS}

\large\text{(2x - 5x) + (2y + 3y)}

\large\text{2x - 5x = \boxed{\bf -3x}}

\large\text{-3x + (2y + 3y)}

\large\text{2y + 3y = \boxed{\bf 5y}}

\large\text{\bf -3x + 5y}

\boxed{\boxed{\large\textsf{Answer: \huge \bf -3x + 5y}}}\huge\checkmark

\large\textsf{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

4 0
3 years ago
Read 2 more answers
200/160 as a percentage (200 over 160)
dem82 [27]

Answer:

80%

Step-by-step explanation:

Please brainlist me

8 0
2 years ago
Read 2 more answers
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