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VARVARA [1.3K]
3 years ago
6

What is decrease £20 by 15%

Mathematics
2 answers:
hichkok12 [17]3 years ago
5 0
You multiply 20 by the multiplier
20x0.85=17
Charra [1.4K]3 years ago
3 0
15\%\cdot\pounds20=0.15\cdot\pounds20=\pounds3\\
\pounds20-\pounds3=\pounds17
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Hey can you please help me posted picture of question
marta [7]
Two transformations occur on F(x) to obtain G(x).

a) Multiplication by -1
This means, the function is reflected across x-axis

b) Multiplication by 5.
This means vertical stretch by a factor of 5.

So, G(x) can be obtained by reflecting F(x) across x-axis and stretching it vertically be a factor of 5.

So, the correct answer is option B
7 0
3 years ago
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A 95% confidence interval for the slope of the regression line relating the number of grams of carbohydrates and the number of k
horsena [70]

Answer: E. We are 95% confident that the true slope of the regression line relating grams of carbohydrates and kilocalories per 100-g sample of various raw foods is between 2.505 and 6.696.

Step-by-step explanation:

The interpretation of a 95% confidence interval: A person can be 95% confident that the true population parameter lies in it.

Given: A 95% confidence interval for the<em> slope of the regression </em>line relating the number of grams of carbohydrates and the number of kilocalories per 100-gram sample of various raw foods is given by (2.505,6.696).

Interpretation: We are 95% confident that the true slope of the regression line relating grams of carbohydrates and kilocalories per 100-g sample of various raw foods is between 2.505 and 6.696.

Correct option: E

7 0
3 years ago
Estimate the sum.<br><br> 1,239 + 8,568<br><br> 9,000<br> 10,000<br> 11,000<br> 8,000
kipiarov [429]

Step-by-step explanation:

1,239 + 8,568= 9,807 ≈ 10000

4 0
3 years ago
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If preimage is (0, 1) . (4, 0), (4, 1) , what are the points after a translation of 3 units up and then a reflection over the -a
yulyashka [42]

Answer:

(0, 4) (-4, 3) (-4, 4)

Step-by-step explanation:

Translation rules:

Units UP - Add to the y-coordinate.

Units DOWN - Subtract from the y-coordinate.

Units RIGHT - Add to the x-coordinate.

Units LEFT - Subtract from the x-coordinate.

--------------------------------------------------------------------------------------------------------------

In this case, the word problem is asking for the points after a translation of 3 units up.

(x, y+3)

(0,1) → (0,4)

(4,0) → (4,3)

(4,1) → (4,4)

--------------------------------------------------------------------------------------------------------------Now it's time to reflect the new points over the y-axis.

When reflecting over the y-axis, the y-coordinate remains the same, but the x-coordinate becomes the opposite value. (-x, y)

(0,4) → (0,4)

(4,3) → (-4,3)

(4,4) → (-4,4)

3 0
3 years ago
What equation is graphed in this figure? A- y−4=−23(x+2) B-y+2=−32(x−2) C-y−3=32(x+1) D- y+1=−23(x−3)
UkoKoshka [18]
B, -y+w=-32(x-2) is the correct answer
8 0
4 years ago
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