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Ulleksa [173]
3 years ago
7

10 less than half a number is 27 (solve an equation based off the verbal phase)

Mathematics
2 answers:
MrRissso [65]3 years ago
7 0
10 - 27 divided by 2...
maks197457 [2]3 years ago
3 0
1/2x - 10 = 27
1/2x = 27 + 10
1/2x = 37
x = 37 * 2
x = 74 <==
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#16 and #19 only <br> Please answer both as soon as possible.
Vlad1618 [11]

Answer:

1. it is not a direct variation because the value <em>k</em> is not kept throughout the ordered pairs

2. -a^5 - 2a³ + 2a², leading coefficient is -1

Step-by-step explanation:

1. to find the direct variation, we will use y/x = k with k representing our constant throughout the chart. if every value is equal to k, it is a direct variation

for this problem we will assume that the cup sizes are x and the cost is y

so the ordered pairs are (8, 0.90), (12, 1.35), (16, 1.80), and (24, 2.25)

.90/8 = 0.1125 <-- this is our <em>k</em> value for which every result has to be equal to

1.35/12 = 0.1125

1.80/12 = 0.1125

2.25/24 = 0.09375

since the value <em>k</em> was not kept throughout the ordered pairs, this is not a direct variation

2. the standard form of a polynomial is the exponents in descending order.

we have the following polynomial: 2a² - a^5 -2a³

to write it in standard form, we will go in descending order of the exponents. the largest exponent being first

-a^5 - 2a³ + 2a²

the leading coefficient of the polynomial is -1, as there is a negative sign in front of the newly formed polynomial

4 0
3 years ago
Nina earns $15 for each yard she mowes. she wants to buy a dress that coasts $109. how many yards will she need to mow to earn m
xxTIMURxx [149]

she will need to mow 8 yards because 109 divided by 15 equals 7.2 but she cant just mow 7.2 yards so you round up to 8 yards


8 0
3 years ago
Simplify the expression 3x(4x^4 - 5x)
Soloha48 [4]
3x (4x^4-5x)
add all of the numbers with a x to get
12x^4
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20736x
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Use the following diagram and information to complete the proof.
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Answer:

Given: ABCD is a rectangle.

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Match each numbered statement to the correct reason to complete the proof.

PS : i will mark brainliest if they answer the question fully..

Step-by-step explanation:

Given: ABCD is a rectangle.

Prove: The diagonals AC¯¯¯¯¯¯¯¯ and BD¯¯¯¯¯¯¯¯ are congruent.

Match each numbered statement to the correct reason to complete the proof.

PS : i will mark brainliest if they answer the question fully..

6 0
3 years ago
A) Convert 23ten to binary.​
WITCHER [35]

Answer:

answer : 10111

Step-by-step explanation:

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3 years ago
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