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2 years ago

Hello i need urgent help with this assignment.

Mathematics

2 answers:

Mars2501 [29]2 years ago

7 0

Answer:

AD = 1 3/4y + 5/8x - 3

Step-by-step explanation:

AD = 1/4x + 2y + 3 - 1/4y + 3/8x - 6

combine like terms:

AD = 1 3/4y + 5/8x - 3

pochemuha2 years ago

5 0

ANSWER:

From figure,

AD = AB + BC + CD
AD = 1/4x + 2y + 3 - 1/4y + 3/8x - 6

On combining like terms, we get

AD = 5/8x + 7/4y - 3.

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8.6 + 5.6x - 1.5 = 40.7

Bumek [7]

Answer:

$x=6$

Step-by-step explanation:

$8.6 + 5.6x - 1.5 = 40.7\\5.6x = 33.6\\x=6$

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1 year ago

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A baker is making cakes for a big party. She uses 1/4 cup of oil for each cake. How many cakes can she make if she has a bottle

Svetradugi [14.3K]

Answer:

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Step-by-step explanation:

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1 year ago

(Calculus help, 25 points, will give brainliest) Find the sum of the sigma notation below.

Andreyy89

$\displaystyle\sum_{i=3}^{10}(2i-9)=2\sum_{i=3}^{10}i-9\sum_{i=3}^{10}1$

Recall that

$\displaystyle\sum_{i=1}^n1=n$

$\displaystyle\sum_{i=1}^ni=\frac{n(n+1)}2$

Your sums start at $i=3$ , so in order to apply these formulas directly, you need to compensate for the missing first two terms:

$\displaystyle\sum_{i=3}^{10}1=\sum_{i=1}^{10}1-(1+1)=10-2=8$

$\displaystyle\sum_{i=3}^{10}i=\sum_{i=1}^{10}i-(1+2)=\frac{10\cdot11}2-3=52$

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2 years ago

Horizontal cross section of a cylinder

Eddi Din [679]

The cross section is 10 ft by 15 ft

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3 years ago

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Complete the following sentence. The coefficient of determination between the dependent variable, TEST SCORE, and the independen

amm1812

Answer: a. variation in the variable, HOURS SPENT STUDYING explains 43% of the variation in the variable. TEST SCORE

Step-by-step explanation:

The coefficient of determination is denoted by R square is the proportion of the variance in the dependent variable that is predictable from the independent variable.

Given: dependent variable = TEST SCORE

independent variable = HOURS SPENT STUDYING

coefficient of determination = 0.43

That means variation in the variable, HOURS SPENT STUDYING explains 43% of the variation in the variable. TEST SCORE.

Hence, the correct option is a.

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3 years ago