3 years ago

Pls help I’ll brainlest grades close today

Mathematics

2 answers:

aivan3 [116]3 years ago

8 0

2nd deal, have a good day

kap26 [50]3 years ago

3 0

Second deal, $3.14/gal

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Write the sum in standard form <br><br> B) f(x)-h(x)

VLD [36.1K]

Answer:

Step-by-step explanation:

f(x) -h(x) = x³ + 2x² -7x - 8 - [4x² - x - 15 ]

= x³ + 2x² - 7x - 8 - 4x² + x + 15

= x³ + 2x² - 4x² - 7x + x - 8 + 15

= x³ - 2x² - 6x + 7

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3 years ago

Meh need answer plez and FAST~

ahrayia [7]

Answer:

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Step-by-step explanation:

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3 years ago

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What is the mathematical answer for this matematicas question 5 1/5÷ 1/4

givi [52]

Answer:

Step-by-step explanation:

Convert mixed fraction to improper fraction. Then use KCF method

Keep the first fraction.

Change the division operation to multiplication.

Flip the second fraction

$5\frac{1}{5}=\frac{26}{5}$

$5\frac{1}{5}$ ÷ $\frac{1}{4}$ = $\frac{26}{5}$ ÷ $\frac{1}{4}$

$= \frac{26}{5}*\frac{4}{1}\\\\= \frac{26*4}{5}\\\\=\frac{104}{5}\\\\=20\frac{4}{5}$

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3 years ago

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In a class of 30 students, 21 play an instrument and 8 play a sport. There are 7

tigry1 [53]

Step-by-step explanation:

The formula for probability is favourable outcome/ Total outcome. So the answer might be 7/30.

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3 years ago

Rewrite as a quotient of two base - 9 logarithms. write your answer in simplest form log 17 =<br>

4vir4ik [10]

Answer:

$\frac{log_{9}17 }{log_{9}10 }$

Step-by-step explanation:

Using the change of base rule for logarithms

$log_{b}$ x = $\frac{log_{c}x }{log_{c}b }$ ( where c is the new base )

Given

log 17 , that is $log_{10}$ 17 , then

$log_{10}$ 17 = $\frac{log_{9}17 }{log_{9}10 }$

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4 years ago