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UkoKoshka [18]
3 years ago
11

H20 is a compound how do we know this is true? Need answer ASAP​

Mathematics
1 answer:
Igoryamba3 years ago
3 0

Answer:

Compounds contains atoms from different elements. The elements are bounded chemically. H20, stands from a hydrogen atom and two oxygen atoms bonded together. These are two different elements and therefore the combination of H20 fits the definition for a compound.

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John has dimes and quarters worth $4.50. He has four more quarters than dimes. How many coins of
N76 [4]

Answer:

10 dimes and 14 quarters

Step-by-step explanation:

take the amount of four quarters to start with: 1$

then from here, for add one quarter and one dimes worth: 35 c

keep adding until you reach 450

then count how many 35 c you counted and thats how many dimes you have

add four to that number and youll get the amount of quarters

5 0
3 years ago
The map of a biking trail is drawn on a coordinate grid.
Nadusha1986 [10]

I don’t see the coordinate grid..?

5 0
4 years ago
Chris has a blue coat and a
Tju [1.3M]

Answer: P = 0.125 = 1/8

Step-by-step explanation:

We know that he has a blue coat and a black coat.

If he dresses at random, then the probability of getting the blue coat is equal to the quotient between the number of blue coats (1) and the total number of coats (2).

Then the probability is:

p = 1/2

We also know that he has blue pants and brown pants, the probability of getting at random the blue pants is calculated in the same way than above, then:

q = 1/2

And for the shirt he has a blue shirt and a red one, the probability of randomly selecting the blue one is calculated in the same way than above, then:

k = 1/2

Now, the joint probability (he selects all blue clothes) is equal to the product of the individual probabilities:

P = p*q*k = (1/2)*(1/2)*(1/2) = 1/8 = 0.125

3 0
3 years ago
What is Question I (if m<EBF = 117°, fine m<ABE)​
Natasha_Volkova [10]

Answer:

m∠ABE = 27°

Step-by-step explanation:

* Lets look to the figure to solve the problem

- AC is a line

- Ray BF intersects the line AC at B

- Ray BF ⊥ line AC

∴ ∠ABF and ∠CBF are right angles

∴ m∠ABF = m∠CBF = 90°

- Rays BE and BD intersect the line AC at B

∵ m∠ABE = m∠DBE ⇒ have same symbol on the figure

∴ BE is the bisector of angle ABD

∵ m∠EBF = 117°

∵ m∠EBF = m∠ABE + m∠ABF

∵ m∠ABF = 90°

∴ 117° = m∠ABE + 90°

- Subtract 90 from both sides

∴ m∠ABE = 27°

4 0
4 years ago
Read 2 more answers
I need to sketch a graph for each line.<br> y = 4x-5<br><br> How would I solve and graph this
PtichkaEL [24]
So you need to find the slope and the y- intercept. So, the slope is always the coefficient on the x. In this case it is 4. The y-intercept is the other number. In this case it is -5. So the slope is 4 and the y-intercept is -5. On your graph (the y axis) find -5. Then you go up 4 and to the right 1 because of four were a fraction it would be 4/1. Keep going up four and right one a couple times. Then reverse it. Go down 4 left 1. That as a fraction would look like -4/-1. Then connect your points and make it a line!
4 0
3 years ago
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