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Vadim26 [7]
3 years ago
12

La edad de tomas es la suma de las edades de carmen y daniel. La edad de Carmen es 2 años mas que la suma de las edades de Danie

l y Marco. La edad de Daniel es 4 veces la edad de Marco. La suma de las cuatro edades es 42¿que edad tiene tomas?
Mathematics
2 answers:
sammy [17]3 years ago
4 0

Answer:

Explicación paso a paso:

Primero, puede crear ecuaciones como este:

Carmen = x + 4x + 2

Daniel = 4x

Tomas = 9x + 2

Marco = 2

42 = 9x + 2 + x + 4x + 2 + 4x + x

38 = 19x

x = 2

La edad de Marco = 2, entonces:

Daniel = 4 (2) = 8

La edad de Daniel = 8

T = 9 (2) +2

Carmen = 5 (2) +2

La edad de Carmen = 12

entonces La edad de Tomás es = 20

Step-by-step explanation:

Gemiola [76]3 years ago
3 0

Answer:

La edad de Tomas= 20.

Step-by-step explanation:

Primero, puede crear ecuaciónes como este:

C= x+4x+2

D=4x

T= 9x+2

M=2

42= 9x+2+x+4x+2+4x+x

38= 19x

x= 2

La edad de Marco= 2, entonces:

D= 4(2)= 8

La edad de Daniel=8

T= 9(2)+2

La edad de Tomas= 20

C= 5(2)+2

La edad de Carmen= 12

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Solve for x in the equation x squared + 2 x + 1 = 17.
lbvjy [14]

Answer:

Step-by-step explanation:

x^2 + 2x + 1 = 17

x^2 + 2x = 17 - 1

x^2 + 2x = 16

x^2 + 2x + 1 = 16 + 1

(x + 1)(x + 1) = 17

(x + 1)^2 = 17

x + 1 = sqrt 17

x = -1 (+ - ) sqrt 17

x = -1 + sqrt 17 or x = -1 - sqrt 17 <===

7 0
3 years ago
Will a 9/32 inch diameter pin fit into a reamed hole with a diameter of 0.278 inch? (Do not round off your answer and express it
ollegr [7]

Answer:

9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

Step-by-step explanation:

Diameter of reamed hole = 0.278 inch

Radius of reamed hole = \frac{0.278}{2} =0.139

Surface area of reamed hole = \pi r^2

Surface area of reamed hole = 3.14 \times  (0.139)^2

Surface area of reamed hole = 0.06066794

Diameter of pin = \frac{9}{32}

Radius of pin =\frac{9}{64}

Surface area of pin = \pi r^2 = 3.14 \times ( \frac{9}{64})^2=0.0620

Since the surface area of pin is more than the surface area of hole .

So, a 9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

7 0
3 years ago
Circle O is shown. 2 tangents intersect at a point outside of the circle which is labeled Satellite. The angle formed is 20 degr
TiliK225 [7]

Answer:

The arc measure, x, that the satellite can see is 160°

Step-by-step explanation:

Given that the two tangents intersect at a point outside the with circle center O

The angle formed between between the two tangent = 20°

The first arc formed is measured as x°, which is the arc opposite the point where the two tangents meet = The arc the satellite can see

The angle x is given by the relationship;

x = 2 × (90 - v/2)

Where;

v = The angle formed at the point where the two tangent meet = 20°

Therefore;

x = 2 × (90 - 20/2) =  2 × (90 - 10) =  2 × 80  = 160°

The arc measure, x, that the satellite can see = 160°.

3 0
3 years ago
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What is the unit rate for the ratio 288Points/6 Games
dedylja [7]
Literally just divide are you slow
5 0
3 years ago
Read 2 more answers
6
bezimeni [28]

Answer:

260 stickers

Step-by-step explanation:

Let Gareth's stickers be x.

Hence Cheryl sticker is 160+x;

If Cheryl gave 185 stickers

to Gareth, it means:

Cheryl has at the moment;

160 + x - 185 = x - 25

At this time when Gareth receives 185 he now has:

x+ 185

Also when he receives x +185, he has 3 times Cherry's meaning:

x+185 =3(x-25)

x + 185 = 3x -75

185 + 75 = 3x-2x

260= x

x = 260.

Hence Gareth has 260 stickers

5 0
3 years ago
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