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2 years ago

14

Can you fill the blank space; 19=8, 6=3, 70=7, 8=5, 4=4, 60=5, 15=7, 16=? 17=?

1 answer:

Inga [223]2 years ago

3 0

Answer:

7

9

Step-by-step explanation:

key is the number of letters in each word

16= sixteen= 7 letters

17= seventeen= 9 letters

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5x + 4y = 11<br> 2x + 6y = -7

olga55 [171]

$\left\{\begin{array}{ccc}5x+4y=11&|\cdot2\\2x+6y=-7&|\cdot(-5)\end{array}\right\\\underline{+\left\{\begin{array}{ccc}10x+8y=22\\-10x-30y=35\end{array}\right}\ \ \ \ |add\ both\ sides\ of\ the\ equations\\.\ \ \ \ \ \ \ \ \ \ \ -22y=57\ \ \ \ |:(-22)\\.\ \ \ \ \ \ \ \ \ \ \ y=-\dfrac{57}{22}\\\\substitute\ the\ value\ of\ y\ to\ the\ first\ equation\\\\5x+4\left(-\dfrac{57}{22}\right)=11\\\\5x-2\cdot\dfrac{57}{11}=11\ \ \ \ |\cdot11\\\\55x-114=121\ \ \ \ |+114\\\\55x=135\ \ \ \ |:55$

$x=\dfrac{135}{55}\\\\x=\dfrac{27}{11}\\\\Answer:\ x=\dfrac{27}{11}\ and\ y=-\dfrac{57}{22}\to\left(\dfrac{27}{11},\ -\dfrac{57}{22}\right)$

8 0

2 years ago

James is building a deck for a client and has several pieces of wood he wants to use. The sizes of the pieces of wood are 1.5m,

TiliK225 [7]

Answer:

$Total = 9.65m$

Step-by-step explanation:

Given

$Pieces: 1.5m, 2500mm, 850mm, 4.8m$

Required

The total length in metres (this completes the question)

The total length is:

$Total = 1.5m + 2500mm + 850mm + 4.8m$

Convert mm to m

$Total = 1.5m + 2500*0.001m + 850*0.001m + 4.8m$

$Total = 1.5m + 2.5m + 0.85m + 4.8m$

$Total = 9.65m$

<em>The total length of the wood is 9.65 metres</em>

4 0

2 years ago

I WILL GIVE BRAINLIEST

Xelga [282]

Answer:

y = 6x

Step-by-step explanation:

For a vertical stretch, you simply multiply x by the factor you want to stretch it by. 3x • 2 is 6x.

5 0

2 years ago

Read 2 more answers

Can someone help me with this problem?<br> <img src="https://tex.z-dn.net/?f=%2818x%5E2%2B9x-7%29%2F3x" id="TexFormula1" title="

Fantom [35]

I hope this helps you

5 0

3 years ago

What is the quotient of 3x2-16x+12 and x-3

kirill115 [55]

The answer to your question is D.

5 0

3 years ago