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VladimirAG [237]
3 years ago
15

5x-6y=-4 -6x+6y=-6 solve using elimination HELP.

Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0

Answer:

x=10 y=9

Step-by-step explanation:

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How do you write <br>the quotient of 3 and the total of 4 and a number
marta [7]
3 divided by (4 + n). Hope it helps! :)
3 0
3 years ago
What is the blood type of the unknown parent?
Vinil7 [7]

Answer:

IBi0

Step-by-step explanation:

We look at the child's genotype (lAi0).

We know that the blood type's genotype has 2 genes, one from the mother and one from the father.

If the genotype is lAi0 and one gene is, let's say, from mother (lA), we know exactly that the other gene is from father (i0).

So, father's genotype is lBi0 (a).

5 0
4 years ago
Point S is on line segment RT. Given RS = 4x – 10, ST = 2x – 10, and
borishaifa [10]

Answer:

The numerical length of RS is 22 units

Step-by-step explanation:

∵ Point S is on the line segment RT

→ <em>That means S divide RT into two parts RS and ST</em>

∴ RS + ST = RT

∵ RS = 4x - 10

∵ ST = 2x - 10

∵ RT = 4x - 4

→ <em>Substitute them in the statement above</em>

∴ 4x - 10 + 2x - 10 = 4x - 4

→ <em>Add the like terms in the left side</em>

∴ (4x + 2x) + (-10 + -10) = 4x - 4

∴ 6x + (-20) = 4x - 4

∴ 6x - 20 = 4x - 4

→ <em>Add 20 to both sides</em>

∴ 6x -20 + 20 = 4x - 4 + 20

∴ 6x = 4x + 16

→ <em>Subtract 4x from both sides</em>

∴ 6x - 4x = 4x - 4x + 16

∴ 2x = 16

→ <em>Divide both sides by 2 to find x</em>

∴ \frac{2x}{2}=\frac{16}{2}

∴ x = 8

→ <em>Substitute the value of x in Rs to find its length</em>

∵ RS = 4(8) - 10

∴ RS = 32 - 10

∴ RS = 22 units

The numerical length of RS is 22 units

3 0
3 years ago
Kamoira bought 8 pizzas for $131.36. Each pizza cost the same amount. What was the cost of each pizza in dollars and cents?
Veseljchak [2.6K]

Step-by-step explanation:

so, you don't know what a division is for ?

it is to ask things like "how often does one number fit into another number", or "how big will each piece be, if I split something into a certain number of equally sized pieces ?".

this is what we need here.

8 pizzas for $131.36. and each pizza costs the same. you see how that connects to what I just described above ?

to find how much each pizza cost, we need to divide the total price by 8, to find the size (= here the price) of each of the equally big parts of the total price.

131.36 / 8 = $16.42

6 0
2 years ago
Building work costs £8500 + VAT. VAT is 20% Work out the total cost?
aev [14]

Answer:

Given, Work cost=£8500

VAT=20%

So VAT= 20% of £8500

20% of 8500 is the VAT

So, Vat= 20/100*8500

=  20/1*85

=  20*85

=  1700

So the VAT to be added on the work cost is £1700

<em>Total cost= Work Cost + VAT</em>

<em>Total cost= £8500+£1700</em>

<em>                 = £10200</em>

8 0
3 years ago
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