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3 years ago

? Which number is equivalent to 5 x 10+4 x 1+8 x 16 + 6 x 100 +1x 1,000

Mathematics

2 answers:

Elan Coil [88]3 years ago

6 0

Answer:

1,854

Step-by-step explanation:

MULTIPLY FIRST:

5 x 10 = 50

4 x 1 = 4

8 x 16 = 128

6 x 100 = 600

1 x 1000 = 1000

ADD:

50 + 4 + 128 + 600 + 1000 = 1,854

Brrunno [24]3 years ago

5 0

Answer:

you should multiply and add whatever the questions says than you should add

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Solve the equation 3^(2x) -4*3^(x+1) + 27 = 0. use rules of exponents to change 3^(x+1)

Leviafan [203]

Answer:

$\huge\boxed{x=1\ \vee\ x=2}$

Step-by-step explanation:

$3^{2x}-4\cdot3^{x+1}+27=0\\\\\text{use}\ (a^n)^m=a^{nm}\ \text{and}\ a^n\cdot a^m=a^{n+m}\\\\\left(3^x\right)^2-4\cdot3^x\cdot3^1+27=0\\\\\left(3^x\right)^2-12\cdot3^x+27=0\\\\\text{substitute}\ 3^x=t>0\\\\t^2-12t+27=0\\\\t^2-3t-9t+27=0\\\\t(t-3)-9(t-3)=0\\\\(t-3)(t-9)+0\iff t-3=0\ \vee\ t-9=0\\\\t-3=0\qquad\text{add 3 to both sides}\\\boxed{t=3}\\\\t-9=0\qquad\text{add 9 to both sides}\\\boxed{t=9}$

$\text{We return to substitution:}\\\\3^x=t\\\\3^x=3\ \vee\ 3^x=9\\\\3^x=3^1\ \vee\ 3^x=3^2\\\\\boxed{x=1}\ \vee\ \boxed{x=2}$

4 0

2 years ago

Please help and I'll love you foreverrrrr no joke!!!

spin [16.1K]

Only like sedans: 25- 15 = 10

Only like hatchbacks: 40-15 = 25

Like both: 15

Like none of them: 100-10-25-15 = 50

Dislike sedans: 100 - 10-15 = 75

Dislike hatchbacks: 100-25-15 = 60

So dislikes: sedans>hatchbacks

4 0

3 years ago

The pair of points is on the graph of an inverse variation. find the missing value. (5,4) and (x,7)

d1i1m1o1n [39]

One form of the relation of inverse variation is y = k/x.

first step: Find the value of k: Taking the values x=5 and y = 4, 4=k/5, or k=20. Then, y = 20/x.

Next: Let y = 7 and find the corresp. value of x: 7=20/x, or 7x=20, or

x = 20/7 (answer)

7 0

3 years ago

Read 2 more answers

for the party,the chef makes a large cake using 325 grams of flour ,137 grams of butter ,0.53 kilogram of sugar and 0.5 kilogram

Rom4ik [11]

Answer:

1.492 kg

Step-by-step explanation: 0.5kg+0.53kg=1.03kg=1030grams

1030grams+325grams+137grams=1492 grams

1492/1000=1.492kg

<h2>PLEASE MAKE ME BRAINLIEST!!!</h2>

7 0

3 years ago

Z - 1,092.8 = 1,200<br><br>A. z = 2,292.8<br><br>B. z= 2,193.8<br><br>C. z= 2,291.2

OleMash [197]

Answer:

A. z = 2292.8 is your answer

Step-by-step explanation:

Isolate the variable (z). Note the equal sign, what you do to one side, you do to the other. Add 1092.8 to both sides

z - 1092.8 (+1092.8) = 1200 (+1092.8)

z = 1200 + 1092.8

z = 2292.8

A. z = 2292.8 is your answer

3 0

2 years ago