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3 years ago

14

How to write 438 in standard

2 answers:

Anton [14]3 years ago

8 0

400+30+8 is how you put 438 in standard form.

Naily [24]3 years ago

4 0

Four Hundred, Thirty, Eight. [To Write Numbers In Standard For You Need To Break Them Down Into Groups. For Example, For The Number 123 You Would Break It down To Where It Looks Like This (100+20+3). Then You Write It In Letter Form (One Hundred, Twenty, Three).]

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3 years ago

What is 2 - 7 = 5n - 10 solved

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3 years ago

What is the gcfof 42 <br> and 90

Vera_Pavlovna [14]

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Step-by-step explanation:

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2 years ago

Read 2 more answers

What are the three angle measures in the triangle shown below

Zanzabum

Answer:

B. 31°, 106°, and 43°.

Step-by-step explanation:

the sum of the measures of the angles in a triangle add up to 180°, so:

3x+1+11x-4+5x-7=180

19x-10=180

19x=190

x=10

now that we know x is equal to 10, we can find the three angle measures:

3x+1 -> 3(10)+1 = 31°

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so, the answer is B.

7 0

3 years ago

At a concession stand, seven hot dog (s )and two hamburger (s )cost $12.25; two hot dog (s )and seven hamburger (s )cost $14

mr Goodwill [35]

Answer:

The cost of hamburger is $1.75.

The cost of hot dog is $1.25

Step-by-step explanation:

Consider the provided information.

Seven hot dog (s )and two hamburger (s )cost $12.25;

Let the cost of hot dog is x.

The cost of hamburger is y.

Therefore,

$7x+2y=12.25$ ......(1)

Two hot dog (s )and seven hamburger (s )cost $14.75.

$2x+7y=14.75$ ......(2)

Use elimination method to solve the above equation.

Multiply equation 1 by 2 and multiply equation 2 by 7 and subtract them as shown:

$\ \ \ 14x+4y=24.5\\-14x-49y=-103.25\\\overline{\ \ \ \ \ \ \ \ \ \ \ \ \ 45y=78.75}$

$y=1.75$

Hence, the cost of hamburger is $1.75.

Now substitute the value of y in equation 1.

$7x+2(1.75)=12.25$

$7x+3.5=12.25$

$7x=8.75$

$x=1.25$

Hence, the cost of hot dog is $1.25

3 0

3 years ago