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yarga [219]
3 years ago
7

Which of the following is a direct proportion? A. y=7x B. y=x+7 C. y=7x−7 D. y=7

Mathematics
1 answer:
AveGali [126]3 years ago
5 0
The answer is D) y=7
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What is the sixth term of the sequence an=-3•2n+1<br>a6=
muminat

Answer:

a_6=-384

Step-by-step explanation:

The n^{th} term of the sequence is given as a_n=-3\cdot 2^{n+1}.

To find the sixth term, which is denoted by a_6, we substitute n=6 into the given rule.

This will give us:

a_6=-3\cdot 2^{6+1}

Simplify the exponent to get:

a_6=-3\cdot 2^{7}

We simplify further to get:

a_6=-3\cdot 128

This simplifies to

a_6=-384

8 0
3 years ago
How many solutions does the system have?<br> y=-2x -4 <br> y=3x + 3
baherus [9]

Answer:

x=−7/5and y=−6/5

Step-by-step explanation:

Step: Substitute−2x−4foryiny=3x+3:

y=3x+3

−2x−4=3x+3

−2x−4+−3x=3x+3+−3x(Add -3x to both sides)

−5x−4=3

−5x−4+4=3+4(Add 4 to both sides)

−5x=7

−5x

−5

=

7

−5

(Divide both sides by -5)

x=−7/5

7 0
3 years ago
4. What is the value of the underlined digit?
Arisa [49]

Answer:

hundreth, because it is the second digit after the decimal point.

3 0
3 years ago
3.2 cm on the map correspond to 4 km in the actual distance?
geniusboy [140]

Answer:

Step-by-step explanation:

Here, 3.2 centimeters on the map is equivalent to 4 kilometers. We can use unitary method to find, how many kilometer/kilometers each centimeter corresponds to. Using the unitary method: Therefore, the scale of map represents 1.25 kilometers for each centimeter.

6 0
3 years ago
Please help me ASAP. For homework due right now
sveta [45]

Answer:

at least 20 rows.

Step-by-step explanation:

when you add the students, teachers, and chaperones, it comes to 159. then you divide 159 by the number of seats each row has, so 159/8 = 19.875, you would have to round to the nearest whole number so 20 should be correct.

5 0
3 years ago
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