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3 years ago

The ratio of apples to dollars is 4:5. How many apples can you buy for $35

2 answers:

4 0

I'm assuming it means that you get 4 apples for every $5 you pay.

35/5 = 5, so you get 7 $5 worth of apples, which is 7 x 4, which is 28 (C)

almond37 [142]3 years ago

3 0

The ratio of apples to dollars is 4:5. How many apples can you buy for $35 = 28 apples

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What is the measurement of angle ACD?

RoseWind [281]

Answer:

136

Step-by-step explanation:

theory: sum of opposite interior angles is equal to exterior angle

do oh understand?

7 0

2 years ago

Read 2 more answers

Using Cramer's rule to solve linear systems.

Rzqust [24]

Answer: Last Option

$x=2,\ y=-5$

Step-by-step explanation:

Cramer's rule says that given a system of equations of two variables x and y then:

$x =\frac{Det(A_X)}{Det(A)}$

$y =\frac{Det(A_Y)}{Det(A)}$

For this problem we know that:

$Det(A) = |A|=\left|\begin{array}{ccc}4&-6\\8&-2\\\end{array}\right|$

Solving we have:

$|A|= 4*(-2) -(-6)*8\\\\|A|=40$

$Det(A_X) = |A_X|=\left|\begin{array}{ccc}38&-6\\26&-2\\\end{array}\right|$

Solving we have:

$|A_X|=38*(-2) - (-6)*26\\\\|A_X|=80$

$Det(A_Y) = |A_Y|=\left|\begin{array}{ccc}4&38\\8&26\\\end{array}\right|$

Solving we have:

$|A_Y|=4*(26) - (38)*8\\\\|A_Y|=-200$

Finally

$x =\frac{|A_X|}{|A|} = \frac{80}{40}\\\\x=2$

$y =\frac{|A_Y|}{|A|} = \frac{-200}{40}\\\\y=-5$

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2 years ago

Need Help!!!! Please!!! Explain!!!! Don't Understand!!!

Arturiano [62]

90 it is a right tranigle

6 0

2 years ago

What is the measure of the missing angle?

goblinko [34]

Answer:

The missing angle measures also 110°

Step-by-step explanation:

Let's recall that If the transversal cuts across parallel lines (apparently, this particular case) then those alternate exterior angles have the same measure (.∠ 110° and ∠?) So in the figure given, the two alternate exterior angles measure the same.

The missing angle measures also 110°

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3 years ago

X/6=9/20 What is the answer?

Whitepunk [10]

Step-by-step explanation:

$\frac{x}{6} = \frac{9}{20} \\$