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Anna [14]
3 years ago
14

Help me with number 6 please!!!

Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0
Hints:  in 5x+4y=32, let x= to obtain the y-intercept.  y=8.  This is the UPPER limit of the visible window.  Next, let y= 0 in this same equation, to obtain the x-intercept.  Answer:  x=32/5.  Since the 2 graphs extend beyond x=32/5, to the right, adopt x=7 as the RIGHT HAND limit of the visible window.  Can you finish this problem?
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I’m having a hard time understanding substitution. Please help!
Vikentia [17]

b_1=\frac{2A}{h}-b_2

Step-by-step explanation:

Given expression is;

A=\frac{h(b_1+b_2)}{2}

Solving for b_1

Multiplying both sides by 2

2*A=\frac{h(b_1+b_2)}{2}*2\\2A=h(b_1+b_2)

Dividing both sides by h

\frac{2A}{h}=\frac{h(b_1+b_2)}{h}\\\frac{2A}{h}=b_1+b_2

Subtracting b_2 from both sides

\frac{2A}{h}-b_2=b_1+b_2-b_2\\\frac{2A}{h}-b_2=b_1\\b_1=\frac{2A}{h}-b_2

b_1=\frac{2A}{h}-b_2

Keywords: division, subtraction

Learn more about subtraction at:

  • brainly.com/question/11145277
  • brainly.com/question/11150876

#LearnwithBrainly

3 0
3 years ago
Please help with this problem!!
hodyreva [135]

The answer is A because the two lines are equal

8 0
3 years ago
Nina saves 40% of her summer job earnings for college. This summer, she earned $200 more than last summer, and she saved $900. W
beks73 [17]

Answer:

(900 ÷ 4) x 10 -200 = 2050 And this will equal last Summer's earnings

Step-by-step explanation:

So we know that 900$ is equal to 40% and that we can simplify this

900 ÷  4 = 225

40% ÷  4 = 10%

Therefore:

225 = 10% and

2250 = 100% of earnings

3 0
4 years ago
In the whole number 70,819 the place value of the digit 1 is
bulgar [2K]

Step-by-step explanation:

a number is a sequence of digits with every position being multiplied by increasing powers of 10.

and the whole number is then the sum of of these little multiplications.

the first position left of the decimal point is for 10⁰ (1). the second position is 10¹ (10). the third position for 10² (100). and so on.

the given number is therefore just the short version of

7×10⁴ + 0×10³ + 8×10² + 1×10¹ + 9×10⁰

and therefore, the digit 1 in this number has the value 1×10¹ = 10, which is also the place value, 10¹ = 10.

5 0
2 years ago
PLEASE HELP, TY! WILL MARK BRAINLIEST!
just olya [345]

Answer:  y = 6

Step-by-step explanation:

The opposite sites of a parallelogram should be equal length. Therefore 7y = y + 36, so 6y = 36 and thus y = \boxed{6}.

4 0
2 years ago
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