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lesantik [10]
3 years ago
11

Need help with question 9

Mathematics
1 answer:
Lorico [155]3 years ago
8 0

Hey!

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Solution:

I would assume that the iron intake is combined between breakfast and lunch. So 8.25mg is too meals worth of iron. So all we have to do is subtract.

15 - 8.25 = 6.75

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Answer:

6.75mg are still needed for his daily intake.

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Hope This Helped! Good Luck!

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Can anybody help me out?
charle [14.2K]

You need to isolate the "x" in both inequalities

5x + 7 ≤ -3     Subtract 7 on both sides

5x ≤ -10    Divide 5 on both sides

x ≤ -2


3x - 4 ≥ 11     Add 4 on both sides

3x ≥ 15  Divide 3 on both sides

x ≥ 5


This is your simplified inequalities:

5x + 7 ≤ -3 or 3x - 4 ≥ 11   --------->     x ≤ -2 or x ≥ 5      Your answer is A

7 0
4 years ago
Alonzos gas tank is 1/4 full after he buys 9 gallons of gas it is 5/8 full how many gallons can alonzos tank hold
Papessa [141]

Answer:

24 Gallons

Step-by-step explanation:

We know his tank is 2/8 ths full. To get to 5/8ths we would have to add 3/8ths. If 3/8ths is equal to 9 then 1/8th would be equal to 3.

6 0
3 years ago
Your friend finds the area of a circle with a diameter of 9 inches. Is your friend correct? Explain
spin [16.1K]

Answer:

No, they're not. To find the area of a circle you need to square the radius. They did not square the radius but instead multiplied it by 2.

Step-by-step explanation:

I hope this helps :)

6 0
3 years ago
Find the value of x round to the nearest tenth the diagram is not to scale.​
Harlamova29_29 [7]

Answer:

6.6 cm

Step-by-step explanation:

The tangent function relates the 35° angle, the adjacent side 12 cm, and the unknown opposite side, x.

We can write tan 35° = opp / adj = x / (12 cm)

Multiplying both sides by 12 cm isolates (solves for) x:

(12 cm)(tan 35°) = x         Note that 35° is equivalent to 0.6109 radians.

Thus, x = (12 cm)(0.5484) = 6.58 cm, or 6.6 to the nearest tenth.

7 0
3 years ago
Find the difference. Simplify completely. Please show work.<br><br>1. 7/9 - 3/8 <br>2. 5 4/5 - 2 1/4
fenix001 [56]

1. 7/9 - 3/8 = (7·8 - 9·3)/(9·8) = (56 -27)/72 = 29/72

2. (5 4/5) - (2 1/4) = (5 - 2) + (4/5 - 1/4) = 3 + (4·4 -5·1)/(5·4) = 3 11/20

_____

(a/b) -(c/d) = (ad -bc)/(bd) . . . . a useful formula to remember when working problems like this. It is equivalent to multiplying the first fraction by d/d and the second one by b/b to get a common denominator of bd. Of course if the second fraction is added instead of subtracted, the sign changes in both places.

4 0
4 years ago
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