2 years ago

I really need help pls someone help

1 answer:

7 0

Answer: I can't see the answers to answer the question but more importantly THIS IS A DIAGNOSTIC I CAN'T HELP YOU!!!!

Step-by-step explanation:

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Let us consider a sequence <img src="https://tex.z-dn.net/?f=%5Crm%20a_%7Bn%7D" id="TexFormula1" title="\rm a_{n}" alt="\rm a_{n

kirill115 [55]

Hi there,

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5 0

2 years ago

Read 2 more answers

Solve the system of equations by substitution. 3/8 x + 1/3 y =17/24 and x + 7y = 8

goblinko [34]

$\left \{ {{ \frac{3}{8}x+ \frac{1}{3}y = \frac{17}{14} } \atop {x+7y=8}} \right.$

To solve this system by substitution, first isolate x in the second equation.

$x+7y=8$
$x+7y-7y=8-7y$
$x=8-7y$

Now, plug this expression ( $8-7y$ ) for x in the top equation to solve for y.

$\frac{3}{8} (8-7y)+ \frac{1}{3} y= \frac{17}{14}$
$3- \frac{21}{8} y+ \frac{1}{3} y= \frac{17}{24}$
$72-63y+8y=17$
$72-55y=17$
$-55y=17-72$
$-55y=-55$
$y=1$

Now that you have y, plug it into the second equation and solve for x.

$x+7y=8$
$x+7(1)=8$
$x+7=8$
$x=1$

Last step is to plug your x- and y-values in to both equations to check your work.

$\frac{3}{8} (1)+ \frac{1}{3} y= \frac{17}{24}$

$\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ; \frac{1}{3} * \frac{8}{8} = \frac{8}{24}$

$\frac{9}{24} + \frac{8}{24} = \frac{17}{24}$ <--True

$1+7(1)=8$
$1+7=8$ <--True

Answer:
$x=1 \\ y=1$

5 0

3 years ago

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leonid [27]

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2 years ago

Anne earned $3 an hour baby-sitting, and $4 an hour working in the garden. Last week she did baby-sitting for 5 hours and garden

Dmitry_Shevchenko [17]

She needs 8 more dollars.
if you multiply 3 times 5 equals 15
and 4 times 3 equals 12
then add that which is 27
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2 years ago

What are the vertex and x-intercepts of the graph of y= x2 - 2x - 24? Select

guajiro [1.7K]

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Step-by-step explanation:

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3 years ago